共 21 条
- [5] Barcroft J., 1946, RES PRENATAL LIFE, P1
- [8] ULTRASTRUCTURAL STUDIES OF PLACENTA OF EWE - PHAGOCYTOSIS OF ERYTHROCYTES BY CHORIONIC EPITHELIUM AT CENTRAL DEPRESSION OF COTYLEDON [J]. QUARTERLY JOURNAL OF EXPERIMENTAL PHYSIOLOGY AND COGNATE MEDICAL SCIENCES, 1976, 61 (04): : 275 - &
- [10] HEAP RB, 1977, CIBA F SYMP, V47, P127