More Groups
Fewer Groups
More People
Fewer People
Berwick, M.; Begg, C.; Mahabir, S.; Coit, D.; Brady, M. S.; Myskowski, P.; Roy, P.; Song, Y.; Canchola, R.; Orlow, I. American Journal of Epidemiology (2001)
Elahi, A.; Lewis, D.; Begg, C.; Song, Y.; Roy, P.; Dwyer, T.; Ashbolt, R.; Blizzard, L.; Mahabir, S.; Polsky, D.; more... Journal of Investigative Dermatology (1999)