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Mamadou S Kaka M Montavon C Noman Y Maty M Delaporte E Mboup S 《Bulletin de la Societe de pathologie exotique (1990)》2002,95(2):76-77
We report a case of noma having occurred in an adult female patient with HIV. The strain was characterized as HIV-1 group M subtype G. In order to explore the interactions between HIV/AIDS and this disease, we purpose systematic HIV screening for any case of noma, especially for adult patients. 相似文献
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Shlush LI Chapal-Ilani N Adar R Pery N Maruvka Y Spiro A Shouval R Rowe JM Tzukerman M Bercovich D Izraeli S Marcucci G Bloomfield CD Zuckerman T Skorecki K Shapiro E 《Blood》2012,120(3):603-612
Human cancers display substantial intratumoral genetic heterogeneity, which facilitates tumor survival under changing microenvironmental conditions. Tumor substructure and its effect on disease progression and relapse are incompletely understood. In the present study, a high-throughput method that uses neutral somatic mutations accumulated in individual cells to reconstruct cell lineage trees was applied to hundreds of cells of human acute leukemia harvested from multiple patients at diagnosis and at relapse. The reconstructed cell lineage trees of patients with acute myeloid leukemia showed that leukemia cells at relapse were shallow (divide rarely) compared with cells at diagnosis and were closely related to their stem cell subpopulation, implying that in these instances relapse might have originated from rarely dividing stem cells. In contrast, among patients with acute lymphoid leukemia, no differences in cell depth were observed between diagnosis and relapse. In one case of chronic myeloid leukemia, at blast crisis, most of the cells at relapse were mismatch-repair deficient. In almost all leukemia cases, > 1 lineage was observed at relapse, indicating that diverse mechanisms can promote relapse in the same patient. In conclusion, diverse relapse mechanisms can be observed by systematic reconstruction of cell lineage trees of patients with leukemia. 相似文献
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Maty SC Everson-Rose SA Haan MN Raghunathan TE Kaplan GA 《International journal of epidemiology》2005,34(6):1274-1281
BACKGROUND: Lower socioeconomic position (SEP) is related to higher prevalence of Type 2 diabetes, yet little is known about the relationship of SEP with incident diabetes. METHODS: The association between SEP, measured by self-reported education, income, and occupation, and Type 2 diabetes incidence was examined in a community sample of 6147 diabetes-free adults from Alameda County, CA. Cox proportional hazards models estimated the effect of baseline (1965) and time-dependent (value changes over time) measures of SEP on incident diabetes over a 34-year study period (1965-99). Demographic confounders (age, gender, race, and marital status) and potential components of the causal pathway (physical inactivity, smoking, alcohol consumption, body composition, hypertension, depression, and health care access) were included as fixed or time-dependent covariates. RESULTS: Education, income, and occupation were associated with increased diabetes risk in unadjusted models. In baseline models adjusted for demographics, respondents with <12 years of education had 50% excess risk compared with those with more education [hazard ratio (HR) = 1.5, 95% confidence interval (95% CI) 1.11-2.04], but income and occupation were no longer significantly associated with increased risk. Further adjustment minimized the significance of all associations. Time-dependent effects were consistently elevated for low education and male blue-collar occupation, but non-significant after full adjustment (HR = 1.1, 95% CI 0.79-1.47 and HR = 1.3, 95% CI 0.91-1.89, respectively). CONCLUSIONS: Socioeconomic disadvantage, especially with low educational attainment, is a significant predictor of incident Type 2 diabetes, although associations were largely eliminated after covariate adjustment. Obesity and overweight appear to mediate these associations. 相似文献
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Ran Rostoker Sagi Abelson Inna Genkin Sarit Ben-Shmuel Ravi Sachidanandam Eyal J. Scheinman Keren Bitton-Worms Zila Shen Orr Avishay Caspi Maty Tzukerman Derek LeRoith 《Breast cancer research : BCR》2015,17(1)