TY - RPRT TI - Sleep polygraphy in schizophrenia: methodological issues. AU - G K Thaker AU - A M Wagman AU - C A Tamminga PY - 1990 DO - 10.1016/0006-3223(90)90579-q UR - https://pubmed.ncbi.nlm.nih.gov/1974153/ ID - 1974153 ER -