TY - RPRT TI - Behavior modification using interlocking reinforcement on a short-term psychiatric ward. AU - R C Smith AU - J Carlin PY - 1972 DO - 10.1001/archpsyc.1972.01750270090014 UR - https://pubmed.ncbi.nlm.nih.gov/5051628/ ID - 5051628 ER -