The twin study project at the University of Helsinki began in 1974 with the Older Finnish Twin Cohort study in order to investigate genetic and environmental determinants of common, complex diseases ...
Correspondence to Dr Reidar P Lystad, Australian Institute of Health Innovation, Faculty of Medicine and Health Sciences, Macquarie University, New South Wales 2109, Australia; reidar.lystad{at}mq.edu ...
Researchers sought to determine the effect of changes in screening guidelines on incidence of breast cancer by stage at diagnosis and surgical management.
Answer: Before I came to Bristol for PhD, I had worked for 1 year for an adolescent cohort study in London and 2 years for a birth cohort study in China. If you are working within the field of ...