TY - RPRT TI - Active and placebo effects in treatment of moderate and severe insomnia. AU - L Carr-Kaffashan AU - R L Woolfolk PY - 1979 DO - 10.1037//0022-006x.47.6.1072 UR - https://pubmed.ncbi.nlm.nih.gov/41856/ ID - 41856 ER -