title: Morphologic testicular changes in rats after biopsy or puncture.
mesh_terms: D000367:Age Factors; D000818:Animals; D001706:Biopsy / Q000009:adverse effects*; D001707:Biopsy, Needle / Q000009:adverse effects*; D007985:Leydig Cells; D008297:Male; D051381:Rats; D012708:Sertoli Cells; D013737:Testis / Q000473:pathology