TY - RPRT TI - Negative expectancy as a mediating variable in marihuana intoxication. AU - R O Pihl AU - Z Segal AU - D Shea PY - 1978 DO - 10.1002/1097-4679(197810)34:4<978::aid-jclp2270340432>3.0.co;2-8 UR - https://pubmed.ncbi.nlm.nih.gov/711895/ ID - 711895 ER -