[Vasectomy. Clinical study of 500 couples].
D000328:Adult; D003466:Cultural Characteristics; D005193:Family Planning Services; D005260:Female; D006801:Humans; D008297:Male; D008800:Mexico; D008875:Middle Aged; D011247:Pregnancy; D012959:Socioeconomic Factors; D014659:Vasectomy
Vasectomía. Estudio clínico de 500 parejas