1. Ethics committees;Pearce, J.M.S.;Lancet,1986
2. Psychological costs of screening;Marteau, T.M.;BMJ,1989
3. Patient epidemiologic attitudes research. toward physician consent;Boring, C.C.; Brocknan, E.; Causey, N.; Gregory, H.R.; Greenberg, R.S.;Am J Public Health; 74,1984
4. The epidemiologist's lament;Rothman, K.J.;Am 7 Public Health,1981