TY - GEN AU - Mandarim-de-Lacerda,C A AU - Sampaio,F J TI - Quantitative study of the heart in human embryo at 17 mm C-R (stade 19) SN - 0003-2786 PY - 1990///0220 KW - Heart KW - embryology KW - Humans N1 - Publication Type: Journal Article; Research Support, Non-U.S. Gov't ER -