RT Article T1 Preemployment Drug Screening at the Johns Hopkins Hospital, 1989 and 1991 JF American journal of drug and alcohol abuse VO 20 IS 1 SP 35 OP 46 A2 Fudala, Paul J. A2 Lange, W. Robert A2 Cabanilla, B. Rodrigo A2 Moler, Gerri A2 Bernacki, Edward J. A2 Frankenfield, Diane L. LA English YR 1994 UL https://krimdok.uni-tuebingen.de/Record/1640304088 K1 Drogentest