TY  - RPRT
TI  - Professional midwifery.
AU  - S J Myers
AU  - J Myers-Ciecko
PY  - 1989
DO  - 10.2105/ajph.79.4.520
UR  - https://pubmed.ncbi.nlm.nih.gov/2929821/
ID  - 2929821
ER  -