共 13 条
- [1] COHEN MR, 1970, FERTIL STERIL, V21, P715
- [2] ELMAHGOUB S, 1982, CONTRACEPTION, V25, P357, DOI 10.1016/0010-7824(82)90093-2
- [4] INTRACERVICAL RELEASE OF LEVONORGESTREL FOR CONTRACEPTION [J]. CONTRACEPTION, 1981, 23 (05) : 473 - 485
- [5] LAHTEENMAKI P, 1978, SCAND J CLIN LAB INV, V38, P1
- [6] MOGHISSI K, 1977, P DRUG DELIVERY SYST, P79
- [7] MOGHISSI KS, 1980, 1980 P INT WORKSH RE, P302
- [10] NILSSON CG, 1983, FERTIL STERIL, V39, P187