TY - RPRT TI - Primary nursing. A randomized crossover trial. AU - A McPhail AU - H Pikula AU - J Roberts AU - G Browne AU - D Harper PY - 1990 DO - 10.1177/019394599001200205 UR - https://pubmed.ncbi.nlm.nih.gov/2181780/ ID - 2181780 ER -