Author:
Wang S. L.,Wu S. C.,Xin X. M.,Chen J. H.,Gao J.
Publisher
Springer Science and Business Media LLC
Subject
Obstetrics and Gynaecology
Reference13 articles.
1. OlssonSE. Contraception with subdermal implants releasing levonorgestrel: a clinical and pharmacological study. Acta Obstet Gynecol Scand. 1987;142:1–45.
2. LuukkainenT, AllonenH, HaukkamaaM, LahteenmakiP, NilssonCG, ToivonenT. Five years experience with levonorgestrel-releasing IUDs. Contraception. 1986;33:139–148.
3. GaoJ, WangSL, WuSC, SunBL, AllonenH, LuukkainenT. Comparison of the clinical performance, contraceptive efficacy and acceptability of levonorgestrel-releasing IUD and Norplant-2 implants in China. Contraception. 1990;41:485–494.
4. TietzeC, LewitS. Recommended procedures for the statistical evaluation of intrauterine contraception. Stud Fam Plann. 1973;4:35–42.
5. AzenSP, RoyS, PikeMC, CasagrandeJ. Some suggested improvements to current statistical methods of analyzing contraceptive efficacy. J Chron Dis. 1976;29:649–666.
Cited by
34 articles.
订阅此论文施引文献
订阅此论文施引文献，注册后可以免费订阅5篇论文的施引文献，订阅后可以查看论文全部施引文献