Henderson WG, Demakis J, Fihn SD, Weinberger M, Oddone E, Deykin D. Cooperative studies in health services research in the Department of Veterans Affairs. Control Clin Trials. 1998 Apr;19(2):134-48. Review.
Henderson WG, Demakis J, Fihn SD, Weinberger M, Oddone E, Deykin D. Cooperative studies in health services research in the Department of Veterans Affairs. Control Clin Trials. 1998 Apr;19(2):134-48. Review.