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This study was conducted as part of an epidemiological survey of 126 nonsmokers and 178 smokers, showing primary infertility residing around Kolkata region of Eastern India. Their lifestyle history including smoking habits along with semen and blood were collected. The study examined the association of cigarette smoking with the risk of infertility, by(More)
OBJECTIVE To compare the semen quality and age-specific changes in men between the 1980s and 2000s. DESIGN Prospective study. SETTING Andrology laboratory, University of Calcutta, India. PATIENT(S) A semen sample was obtained from 3729 men presenting for infertility problems in two distinct decades, that is, between 1981-85 and 2000-2006. (More)
Mutations in the basal core promoter (BCP) and precore (PC) regions are associated with persistent and intermittently high hepatitis B virus (HBV) replication in several patients. The variability in the functional domains of BCP and PC region of HBV and their association with disease progression and clinical outcome were assessed in Eastern India, an unique(More)
The presence of three different HBV genotypes (A, C and D) in Eastern India provided us a unique opportunity to study HBV pre-S mutants in these genotypes and subtypes among the same ethnic population. Furthermore, we also aimed to investigate the association of the HBV pre-S mutation with clinical outcome. Pre-S1-S2 and S gene was amplified and sequenced(More)
Carcinoid of the trachea is an extremely rare entity with very few cases reported in literature. The standard of treatment is complete surgical excision with limited role for chemotherapy and also a limited role for radiotherapy as this type of tumour has very low metastatic potential. We describe a case of a tracheal carcinoid which was surgically(More)
OBJECTIVE The study was designed to assess the hepatitis B virus (HBV) and hepatitis C virus (HCV) co-infection scenario among the human immunodeficiency virus (HIV) infected patients attending a tertiary healthcare unit in eastern India. Additionally, clinical and virological characterization of these viruses, prior to antiretroviral therapy (ART)(More)