TY - RPRT TI - Alertness of night nurses: two shift systems compared. AU - R Wilkinson AU - S Allison AU - M Feeney AU - Z Kaminska PY - 1989 DO - 10.1080/00140138908966088 UR - https://pubmed.ncbi.nlm.nih.gov/2737178/ ID - 2737178 ER -