TY - GEN AU - Resch,B A AU - Herczeg,J AU - Papp,J G TI - On the fetal heart rate in early pregnancy SN - 0002-9378 PY - 1973///0710 KW - Female KW - Fetal Heart KW - Gestational Age KW - Heart Rate KW - Humans KW - Pregnancy N1 - Publication Type: Journal Article UR - https://doi.org/10.1016/0002-9378(73)91071-5 ER -