title: An estimate of the number of cell generations preceding sperm formation in Drosophila melanogaster.
authors.forename: J A
authors.initials: JA
authors.lastname: TIHEN
mesh_terms: D000818:Animals; D004331:Drosophila melanogaster; D008297:Male; D013091:Spermatogenesis; D013094:Spermatozoa