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1.
Following exposure to promastigotes of various Leishmania species, mononuclear cells from non-exposed as well as potentially exposed individuals produced a cytokine response which inhibited intracellular forms of Leishmania aethiopica in a permissive monocytic cell line (THP1). Interferon-gamma (IFN-gamma), was one of the cytokines responsible for this anti-leishmanial effect. IFN-gamma was necessary for inhibition but could not act on its own inhibiting L. aethiopica. Tumor necrosis factor-alpha seemed not to be involved in the anti-L. aethiopica effect. The observed effects were in the absence of endotoxin. The results suggest that the mechanisms of killing of L. aethiopica in human cells may differ from those responsible for inhibition of other Leishmania parasites (such as Leishmania major) in mouse macrophages. Furthermore, that potentially relevant responses to Leishmania antigens may exist in normal individuals. 相似文献
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Taye Belaynew W. Valery Patricia C. Liddle Burglind Woodward Aidan J. Sackey Donata Williams Suzanne Chang Gary K. F. Clark Paul J. 《Journal of immigrant and minority health / Center for Minority Public Health》2022,24(5):1196-1205
Journal of Immigrant and Minority Health - This study explored the epidemiology and health literacy of people affected by viral hepatitis (VH) from migrant culturally and linguistically diverse... 相似文献
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Ahmed A. Mourad Gehan H. Heeba Ashraf Taye Mohamed A. El‐Moselhy 《Fundamental & clinical pharmacology》2013,27(5):489-497
Obesity is often associated with chronic inflammatory state which contributes to the development of insulin resistance (IR) and type 2 diabetes mellitus (T2DM). This study investigated the effects of single and combined administration of atorvastatin (ATOR, lipid‐lowering drug) and losartan (LOS, angiotensin receptor antagonist) on metabolic disorders and inflammatory status that are implicated in the development of T2DM with the use of pioglitazone (PIO) as a standard antidiabetic drug. T2DM was induced in male rats by high‐fat diet (HFD) feeding for 16 weeks. Oral administrations of ATOR (10 mg/kg), LOS (20 mg/kg), PIO (3 mg/kg), their binary combinations, or vehicle were started in the last 4 weeks. Fasting serum glucose, oral glucose tolerance, fasting serum insulin, IR, serum lipid profile, serum TNF‐α and body composition index were determined. Results showed that all drugs and their combinations had positive impact effect on all measured parameters, and better results were achieved from binary drug combinations than administration of each drug alone. Combination of PIO with either ATOR or LOS provided better improvements on T2DM‐associated metabolic abnormalities and inflammatory status with respect to each drug alone. However, the most pronounced effects of drugs and their combinations regarding the above parameters were attributed to LOS + PIO combination. In conclusion, this study indicates that combination of ATOR + PIO and, in particular, LOS + PIO can be used as promising effective therapies in the management of HFD‐induced T2DM. This concept may be attributed to the combined effects of the respective monotherapies to improve lipid profile, insulin sensitivity, and TNF‐α level. 相似文献
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The aim of this study was to evaluate the association between pregnancy-induced periodontal inflammation and levels of some salivary cytokines and antimicrobial proteins (AMPs). The study was a cohort longitudinal study that included pregnant women attending a secondary health facility. Consented participants had oral examination and saliva sampling during pregnancy and post-partum (three months after pregnancy). Saliva samples were used for the analysis of cytokines (TNF-α, IFN-gamma and IL-1β) and AMPs (Lactoferin, Lysozyme, and β defensin-1) using ELISA. Data are presented as median with interquartile range and compared using related sample Wilcoxon signed rank test. Correlations between levels of the salivary factors and indices of periodontal inflammation were determined using Spearman’s correlation test. Salivary flow rate, pH, levels of salivary IL-1β and IFN-gamma were significantly lower; while gingival index, periodontal index and level of salivary TNF-α were significantly higher during pregnancy compared with postpartum period. However, salivary lactoferin, lysozyme and β defensin-1 did not show significant difference comparing during pregnancy and postpartum period. Level of salivary IFN-gamma showed negative correlation with gingival index while level of salivary TNF-α showed positive correlation with gingival and periodontal indices. Lower levels of salivary IL-1β and IFN-gamma along with higher TNF-α concentration during pregnancy suggest their contributions to the pathophysiology of pregnancy-induced periodontal inflammation. 相似文献
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Eshetu Sata Andrew W. Nute Tigist Astale Demelash Gessese Zebene Ayele Mulat Zerihun Ambahun Chernet Berhanu Melak Kimberly A. Jensen Mahteme Haile Taye Zeru Melkamu Beyen Adisu Abebe Dawed Fikre Seife Zerihun Tadesse Elizabeth Kelly Callahan Jeremiah Ngondi Scott D Nash 《The American journal of tropical medicine and hygiene》2021,104(4):1278
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Meselu Taye Kebede Anne-Lise Middelthon Per Kristian Hilden 《Health care for women international》2018,39(2):186-207
Unmarried, young women constitute a significant proportion of women who undergo unsafe abortion in Ethiopia. Based on material from an ethnographic study, the experiences of young, unmarried women who had been admitted to the hospital in the aftermath of an unsafe, clandestine abortion are explored in this article. The routes the young women followed in their search of abortion services and the concerns and realities they had to negotiate and navigate are at the fore. Despite their awareness of the dangers involved in clandestine and illegal abortion, the young women felt they had no choice but to use medically unsafe abortion services. Two reasons for this are highlighted: such services were affordable and, significantly, they were considered socially safe in that the abortion remained unknown to others and the stigma of abortion and its consequences could hence be avoided. In situations in which choices had to be made, social safety trumped medical safety. This indicates a need for abortion services that address both the medical and social safety concerns of young women in need of such services. 相似文献
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Scott D. Nash Tigist Astale Andrew W. Nute Danaya Bethea Ambahun Chernet Eshetu Sata Mulat Zerihun Demelash Gessese Gedefaw Ayenew Zebene Ayele Berhanu Melak Mahteme Haile Taye Zeru Zerihun Tadesse Benjamin F. Arnold Elizabeth Kelly Callahan Diana L. Martin 《The American journal of tropical medicine and hygiene》2021,104(1):207
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400 people in Gilgel Ghibe, southwestern Ethiopia, were subjected to parasitological and clinical examination to determine the prevalence and intensity of onchocerciasis. Its association with entomological transmission indices such as the parous rate and annual transmission potential (ATP) were determined simultaneously. Two skin snips per person were taken and examined for microfilariae of Onchocerca volvulus. In addition, collections of adult blackfly were done from human baits seated in pairs at 4 representative sites at the riverbank and away from the riverbank. Flies were then dissected for parity and infections with O. volvulus. Among the 228 people examined, the prevalence of the disease was low (17%), being higher in males than in females (19% vs. 14%). The geometric mean of microfilarial density was 11.1 mf per skin snip. Itching and skin changes were the most common signs and symptoms of the disease. The predominant anthropophilic blackfly species was Simulium (Edwardsellum) damnosum s.l. The annual parous rate was 74.7%, while ATP was 1669.5, being higher at the riverbank than at farther sites, suggesting a greater risk of infection by the riverside. In conclusion, the low prevalence of onchocerciasis vis-a-vis the high ATP level could be caused by the possible presence of bovine onchocerciasis in the area. Further studies employing molecular techniques are needed to identify O. volvulus from other filariae in flies. 相似文献