by Shepard, D S, Daley, M, Ritter, G A, Hodgkin, D, Beinecke, R H
Published in Health services research (01.12.2001)

by Lee, M T, Reif, S, Ritter, G A, Levine, H J, Horgan, C M
Published in Recent developments in alcoholism : an official publication of the American Medical Society on Alcoholism, the Research Society on Alcoholism, and the National Council on Alcoholism (2001)

by Horgan, C M, Reif, S, Ritter, G A, Lee, M T
Published in Recent developments in alcoholism : an official publication of the American Medical Society on Alcoholism, the Research Society on Alcoholism, and the National Council on Alcoholism (2001)

by Phillips, B R, Brown, R S, Bishop, C E, Klein, A C, Ritter, G A, Schore, J L, Skwara, K C, Thornton, C V
Published in Health care financing review (1994)

by Tompkins, C P, Wallack, S S, Bhalotra, S, Chilingerian, J A, Glavin, M P, Ritter, G A, Hodgkin, D
Published in Health care financing review (1996)