TY  - RPRT
TI  - Study on Doppler waveforms from the fetal cardiovascular system.
AU  - J Y Choi
AU  - C I Noh
AU  - Y S Yun
PY  - 1991
DO  - 10.1159/000263627
UR  - https://pubmed.ncbi.nlm.nih.gov/1768349/
ID  - 1768349
ER  -