contraceptives

• The three - stage strategies to introduce new contraceptive methods thchn into family planning programmes
  引入新型避孕药具的三阶段研究策略
• An intrauterine device , but i ' m told the pill is more effective than other contraceptives
  放过避孕环，但我听说口服避孕药比其它方法更有效。
• Contraceptive use behavior among never married young women who are seeking pregnancy termination in beijing
  北京市未婚女青年避孕行为的调查研究
• They were asked about injuries , their jobs , smoking and use of contraceptive hormones
  研究人员还询问她们的受伤工作吸烟和使用避孕激素的情况。
• They were asked about injuries , their jobs , smoking and use of contraceptive hormones
  研究人员还询问她们的受伤、工作、吸烟和使用避孕激素的情况。
• Analysis of contraceptive knowledge and practice among female migrants of reproductive age in shanghai
  上海市流动人口中育龄妇女避孕知识及避孕状况调查
• Reusable rubber contraceptive diaphragms - determination of deterioration after accelerated ageing
  可重复使用的橡胶避孕工具.第6部分:加速老化后的变质测定
• Analysis of contraceptive knowledge level and influencing factors among reproductive women in shandong province
  育龄妇女避孕知识知晓率调查及影响因素分析
• Scientists hope that trials of the new male contraceptive could begin within the next few years
  科学家希望在接下来的几年内能进行该男性避孕药的临床实验。