共 26 条
- [21] Shirodkar VD, 1955, ANTISEPTIC, V52, P299
- [22] STERNBERG W, 1957, INT J FERTIL, V2, P71
- [23] Stromme W B, 1966, Minn Med, V49, P393
- [25] INCOMPETENT OS OF THE CERVIX AS A CAUSE OF FETAL LOSS [J]. JAMA-JOURNAL OF THE AMERICAN MEDICAL ASSOCIATION, 1959, 171 (10): : 1312 - 1315
- [26] TRYTHALL S W, 1958, J Mich State Med Soc, V57, P711