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1.
Decorin, a collagen-binding small proteoglycan, is considered to have a specific function in the organization or stability of the collagen network. Therefore, alteration of its molecular properties may be of pathophysiological relevance during the development of cartilage damage. It is shown here that normal cartilage from rabbit knee-joint contains glycosaminoglycan chain-bearing core protein fragments of 39, 23, and 18 kDa, each one amounting to approximately 5-6% of the intact decorin core protein. Continuous infusion of human recombinant interleukin-1 alpha for 14 days (200 ng/day) into a knee-joint led in condylar cartilage to a reduction in the amount of intact core protein from 2 micrograms/mg wet tissue to about 1.1 micrograms/mg. The increase in its quantity found after infusion of heat-inactivated interleukin-1 was not statistically significant. The concentration of all three core protein fragments became reduced to a similar extent as the intact core protein under the influence of the cytokine, and additional fragments were not found. Surprisingly, there was a much smaller response to interleukin-1-treatment in patellar cartilage. 相似文献
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Jackisch C Louwen F Schwenkhagen A Karbowski B Schmid KW Schneider HP Holzgreve W 《Archives of gynecology and obstetrics》2003,268(2):69-77
Approximately 1 per 1,000-1,500 pregnancies is complicated by maternal malignancies. Metastatic involvement of the products of conception is a rare event. There have been 62 cases of placental and/or fetal metastatic involvement originating from maternal cancer reported since 1866. Only 14 cases of lung cancer associated with pregnancy have been documented. We report on an additional case involving the products of conception, and the management of lung cancer in pregnancy is discussed based on an extensive review of the literature. The case of a 29-year-old woman presenting during the 31(st) week of gestation with metastatic non small-cell lung cancer to the placenta, liver and bone is described. The mother was delivered by caesarean section of a healthy baby girl during her 32(nd) week of gestation. The mother's postpartum course was complicated by disseminated pulmonary and bony metastases and malignant pericardial and pleural effusions causing the patient's death within 1 month after lung cancer was diagnosed. Malignancies spreading to the products of conception are melanoma (32%), leukemia and lymphomas (15%), breast cancer (13%), lung cancer (11%), sarcoma (8%), gastric cancer (3%) and gynecologic cancers (3%), reflecting malignancies with a high incidence in women of reproductive age. All lung cancers were diagnosed with widely disseminated, inoperable neoplastic disease, including distant metastases in 46%. The mean age was 35.1 years (range, 30-45 years) and 60% of patients had a history of tobacco use. The mean survival was 7.5 months (range: 1-42 months). Placenta involvement was present in 7 out of 15 cases. Fetal involvement was reported in only one case. Because there is no evidence of a direct adverse effect of pregnancy on the course of lung cancer, we recommend delivery at a time when enough fetal maturity can be assumed and the subsequent treatment of the mother. 相似文献
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Dr. M. Karbowski 《Albrecht von Graefes Archiv fur klinische und experimentelle Ophthalmologie》1934,132(1):87-100
Ohne Zusammenfassung 相似文献
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Ohne Zusammenfassung 相似文献
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Background Historically, esophageal fistulas, perforations, and benign and malignant strictures have been managed surgically or with
the placement of permanent endoprostheses or metallic stents. Recently, a removable, self-expanding, plastic stent has become
available. The authors investigated the use of this new stent at their institution.
Methods The study reviewed all the patients who received a Polyflex stent for an esophageal indication at the authors’ institution
between January 2004 and October 2006. Duration of placement, complications, and treatment efficacy were recorded.
Results A total of 37 stents were placed in 30 patients (14 women and 16 men) with a mean age of 68 years (range, 28–92 years). Stent
placement included 7 for fistulas, 3 for perforations, 1 for an anastomotic leak, 7 for malignant strictures, and 19 for benign
strictures (8 anastomotic, 1 caustic, 5 reflux, 2 radiation, and 2 autoimmune esophagitis strictures, and 1 post-Nissen gas
bloat stricture). The mean follow-up period was 6 months. Stent deployment was successful for all the patients, and no complications
resulted from stent placement or removal. Nine stents migrated spontaneously. Three of three perforations and three of five
fistulas sealed. Only one stent was removed because of patient discomfort. One patient with a radiation stricture experienced
tracheoesophageal fistulas secondary to pressure necrosis. Of 20 patients with stricture, 18 experienced improvement in their
dysphagia.
Conclusion Self-expanding, removable plastic stents are easily and safely placed and removed from the esophagus. This has facilitated
their use in the authors’ institution for an increasing number of esophageal conditions. Further studies to help define their
ultimate role in benign and malignant esophageal pathology are warranted. 相似文献
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Analysis of estrogen and progesterone receptor (ER, PR) status was performed in pre-, peri- and postmenopausal women at the time of surgery in 60 women with breast cancer and 19 women with benign breast disease by comparative use of the dextrose coated charcoal method and the immunohistochemical assay (peroxidase-antiperoxidase technique). In premenopausal women we furthermore differentiated depending on the menstrual cycle at the time of surgery. The retrospective study shows sufficiently consistent results in both analytical procedures. There was no difference in the expression of ER and PR in pre- and postmenopausal women, furthermore, ER and PR expression was not significantly different during the follicular phase compared to luteal phase. 相似文献
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