精子冷冻保存 2009年单精子and微量精子冷冻meta分析 作者 生殖保护 发布于 2017年12月8日 3006 阅读 background: Despite interest in cryopreservation of individual or small number of human spermatozoa, to date, little data is available as regards its effectiveness. We systematically reviewed the outcome after cryopreser 阅读全文