TY  - RPRT
TI  - Lessons in labour.
AU  - E C Chan
AU  - R Smith
PY  - 2001
DO  - 10.1016/s1043-2760(00)00363-5
UR  - https://pubmed.ncbi.nlm.nih.gov/11233528/
ID  - 11233528
ER  -