COHEN, M R Optimal time for therapeutic insemination; Spinnbarkeit as the preferred criterion. [electronic resource] - Fertility and sterility - 141-54 p. digital Publication Type: Journal Article ISSN: 0015-0282 Standard No.: 10.1016/s0015-0282(16)32286-5 doi Subjects--Topical Terms: HumansInsemination, Artificial