Bone mineral density in progestogen-only implant and pill users with amenorrhoea: a pilot study
BMJ SEXUAL & REPRODUCTIVE HEALTH（2022）
关键词
hormonal contraception, long-acting reversible contraception, contraceptive agents, female
AI 理解论文
溯源树
样例
生成溯源树，研究论文发展脉络
Chat Paper
正在生成论文摘要