ContextHuman papillomavirus (HPV) infection is believed to be the central cause of cervical
cancer, although most of the epidemiological evidence has come from retrospective, case-…

Background Multiple sclerosis (MS) is the most common cause of neurological disability in
young adults worldwide and approximately half of those affected are in Europe. The …

Background: The incidence and prevalence of multiple sclerosis (MS) varies considerably
around the world. No previous study has performed a comprehensive review examining the …

PURPOSE: This study was undertaken to (1) measure the frequency of AED monotherapy
or polytherapy during pregnancy and AED discontinuation prior to pregnancy in a cohort of …

We obtained RFLP results for 288 of the culturepositive cases. We found that 243 isolates
had at least 5 bands: 183 unique isolates, 43 near-identical isolates and 17 identical isolates. …

Objective The validity of epidemiologic research on congenital malformations conducted using
administrative databases relies heavily on the quality of diagnostic information. The goal …

Population-based studies have used DNA typing of Mycobacterium tuberculosis organisms
to estimate the extent of ongoing tuberculosis transmission in various communities and to …

The epidemiology of infectious diseases has traditionally relied on observed patterns of
occurrence to infer transmission. In the case of a disease with a variable incubation period, such …

The research presented in this thesis consists of original warka 1distinguish my work trom
that of the many researchers collaborating on this project by using the first persan when …

Christopher Murray and colleagues (Dec 23/30, p 2211) 1 calculate that 62 million people
would die if a 1918-like influenza pandemic were to re-emerge. Given this deadly poten tial—…