title: Male infertility. 2. Treatment.
mesh_terms: D005260:Female; D005307:Fertilization in Vitro; D006801:Humans; D007248:Infertility, Male / Q000209:etiology / Q000628:therapy*; D007315:Insemination, Artificial; D008297:Male; D011247:Pregnancy; D013997:Time Factors