TY  - RPRT
TI  - Umbilical waveforms in twin pregnancy.
AU  - W B Giles
AU  - B J Trudinger
AU  - C M Cook
PY  - 1985
DO  - 10.1017/s0001566000004803
UR  - https://pubmed.ncbi.nlm.nih.gov/3914168/
ID  - 3914168
ER  -