TY  - RPRT
TI  - Fetal breathing movements and maternal exercise.
AU  - K Marsál
AU  - O Löfgren
AU  - G Gennser
PY  - 1979
DO  - 10.3109/00016347909154582
UR  - https://pubmed.ncbi.nlm.nih.gov/36731/
ID  - 36731
ER  -