Oliva, Alejandro Ketotifen improves sperm motility and sperm morphology in male patients with leukocytospermia and unexplained infertility. [electronic resource] - Fertility and sterility Jan 2006 - 240-3 p. digital Publication Type: Clinical Trial; Journal Article ISSN: 1556-5653 Standard No.: 10.1016/j.fertnstert.2005.06.047 doi Subjects--Topical Terms: AdultHistamine H1 Antagonists--administration & dosageHumansInfertility, Male--drug therapyKetotifen--administration & dosageLeukocyte CountMaleMiddle AgedSperm Motility--drug effectsSpermatozoa--cytology