TY - GEN AU - Cipparone,J R AU - Nathan,L E TI - Placental tissue registry. Analysis of the first 500 cases SN - 0196-9617 PY - 1981///0625 KW - Abnormalities, Multiple KW - Adolescent KW - Adult KW - Chorionic Villi KW - pathology KW - Extraembryonic Membranes KW - Female KW - Fetal Death KW - Humans KW - Infant, Newborn KW - Michigan KW - Placenta KW - Pregnancy KW - Registries KW - Umbilical Cord N1 - Publication Type: Journal Article ER -