title: Immunological implications of ultrastructural studies of goat X sheep hybrid placentae.
mesh_terms: D000818:Animals; D000936:Antigen-Antibody Complex; D001792:Blood Platelets; D005260:Female; D005333:Fetus / Q000276:immunology; D006041:Goats; D006824:Hybridization, Genetic; D008431:Maternal-Fetal Exchange; D008854:Microscopy, Electron; D010920:Placenta / Q000166:cytology*; D011247:Pregnancy; D011270:Pregnancy, Animal; D012756:Sheep
chemical_list: D000936:Antigen-Antibody Complex