TY - RPRT TI - Amphetamine and barbiturate effects on two tasks performed singly and in combination. AU - C L Truijens AU - D A Trumbo AU - W A Wagenaar PY - 1976 DO - 10.1016/0001-6918(76)90014-7 UR - https://pubmed.ncbi.nlm.nih.gov/970199/ ID - 970199 ER -