TY  - RPRT
TI  - Hours of work and shiftwork.
AU  - J Rutenfranz
AU  - P Knauth
AU  - W P Colquhoun
PY  - 1976
DO  - 10.1080/00140137608931549
UR  - https://pubmed.ncbi.nlm.nih.gov/976239/
ID  - 976239
ER  -