title: A new, practical method of freezing and storing human sperm and a preliminary report on its use.
mesh_terms: D002021:Buffers; D002470:Cell Survival; D002951:Citrates; D005069:Evaluation Studies as Topic; D005260:Female; D005615:Freezing / Q000295:instrumentation / Q000379:methods*; D006801:Humans; D007315:Insemination, Artificial; D008297:Male; D008722:Methods; D011247:Pregnancy; D013094:Spermatozoa; D013696:Temperature; D013997:Time Factors; D014021:Tissue Preservation / Q000295:instrumentation / Q000379:methods*
chemical_list: D002021:Buffers; D002951:Citrates