background it is estimated that survival of children with perinatally transmitted acquired immunodeficiency syndrome (aids) in brazil is around 60 months, and an upward trend has been shown over recent years. the reduction in mortality rates in brazilian children is mainly attributed to the effectiveness of antiretroviral therapy. objectives the aim of this study was to characterize the epidemi...

Freeze-tolerant organisms survive internal ice formation; however, the adaptations to repeated freeze-thaw cycles are often not well investigated. Here we report how three geographically different populations of Enchytraeus albidus (Germany, Iceland and Svalbard) respond to three temperature treatments - constant thawed (0°C), constant freezing (-5°C) and fluctuating temperature (0 to -5°C) - o...

results the mean age at the time of diagnosis was 54 years (range, 28 - 74). cause-specific survival rates of the entire group were 92%, 87% and 82%, at two, three and five years, respectively. the five-year cause-specific survival rates for grades one, two and three were 98%, 88% and 68%, respectively. multivariate analysis revealed that age, depth of myometrial invasion, involvement of ovarie...

background: the occurrence and the mortality related to breast cancer (bc) in iranian female population has increased over time. although there are many studies on bc and related risk factors, however, the epidemiological aspects of this melanoma in iranian females are uncertain. therefore, the aim of this study was to determine the relationship between demographical and clinical factors on the...

normal 0 false false false en-us x-none ar-sa microsoftinternetexplorer4 aim : the present study aimed to investigate the influence of histological factors on survival of patients with esophageal cancer. background : esophageal cancer is almost the common form of malignancy in the eastern world. patients and methods : through a retrospective cohort study a consecutive series of 134 patients wit...

background: an evaluation of the developmental competence of vitrified mouse germinal vesicle (gv) oocytes with various equilibration and vitrification times; in the presence or absence of cumulus cells and by comparison between the cryotop method and straws was performed. materials and methods: mouse gv oocytes were considered in cumulus-denuded oocytes (cdos) and cumulus-oocyte complexes (coc...