Inseminations of human sperm after freezing in liquid nitrogen vapors with glycerol or glycerol--egg-yolk--citrate as protective media.
D000022:Abortion, Spontaneous / Q000453:epidemiology / Q000209:etiology; D000083:Acetanilides; D002951:Citrates; D004530:Egg Yolk; D005260:Female; D005615:Freezing; D005990:Glycerol; D006801:Humans; D007315:Insemination, Artificial; D008297:Male; D009584:Nitrogen; D011247:Pregnancy; D011309:Preservation, Biological; D012661:Semen; D013094:Spermatozoa / Q000187:drug effects; D013696:Temperature
D000083:Acetanilides; D002951:Citrates; D009584:Nitrogen; D005990:Glycerol