TY - GEN AU - Henderson,P AU - Watmough,D J TI - A model heart designed as an aid to ultrasonic T-P mode scanning in obstetrics SN - 0301-5629 PY - 1978///0218 KW - Fetal Heart KW - physiology KW - Humans KW - Models, Biological KW - Movement KW - Ultrasonography N1 - Publication Type: Journal Article UR - https://doi.org/10.1016/0301-5629(77)90074-6 ER -