Natural family planning in New Zealand: a study of continuation rates and characteristics of users

• 作者M. France; J. France; K. Townend
• 卷第13卷
• 印刷ISSN0267-4874
• 电子ISSN1573-7195
• 文件大小109.11KB
• 发表时间1997-06
• DOI10.1023/a:1006504005289
• 页码191-198