title: Translocation t(1;20)(q21;q13) in an azoospermic man.
mesh_terms: D002900:Chromosomes, Human, 1-3; D002903:Chromosomes, Human, 19-20; D006801:Humans; D008297:Male; D009845:Oligospermia / Q000235:genetics*; D014178:Translocation, Genetic