More Groups
Fewer Groups
Zabor, E.; Furberg, H.; Thornton, L.; Bulik, C.; Sullivan, P.; Pedersen, N.; Lichtenstein, P. American Journal of Epidemiology (2011)
Li, Y. L.; Shiyko, M.; Case, J.; Burkhalter, J.; Holland, S.; Furberg, H.; Ostroff, J. S. Annals of Behavioral Medicine (2011)