TY  - RPRT
TI  - Physical exercise during pregnancy--physiological considerations and recommendations.
AU  - S Hartmann
AU  - P Bung
PY  - 1999
DO  - 10.1515/jpm.1999.029
UR  - https://pubmed.ncbi.nlm.nih.gov/10503183/
ID  - 10503183
ER  -