by Krepcho, M A, Fernandez-Esquer, M E, Freeman, A C, Magee, E, McAlister, A
Published in Journal of psychoactive drugs (01.04.1993)

by Fernandez-esquer, Maria Eugenia, Krepcho, Martin A., Freeman, Anne c., Magee, Elvin, Mcalister, Alfred L., Ross, Michael w.
Published in Journal of applied social psychology (01.01.1997)

by Krepcho, M A, Olson, L, Marks, B J, Garnett, D U, Snell, L
Published in Computers in human services (01.01.1998)

by Seibt, A C, McAlister, AL, Freeman, A C, Krepcho, MA, Hedrick, A R, Wilson, R
Published in MMWR. Morbidity and mortality weekly report (15.01.1993)