title: Pregnancy after 20 years of sperm cryopreservation.
authors.forename: J
authors.initials: J
authors.lastname: Marik
mesh_terms: D000328:Adult; D015925:Cryopreservation; D005260:Female; D006801:Humans; D007317:Insemination, Artificial, Homologous; D008297:Male; D011247:Pregnancy; D011256:Pregnancy Outcome; D012662:Semen Preservation; D013081:Sperm Motility; D013997:Time Factors