Contraception with norplant® implants and NORPLANT®-2 implants (two covered rods)Sven-Eric Olsson,Viveca Odlind,Elof D.B. Johansson,Irving SivinContraception(1988)引用 32|浏览1暂无评分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