title: Letter to the editor.
authors: Faruk
authors: F
authors: Hadziselimovic
mesh_terms: D000818:Animals; D008297:Male; D053511:Matrix Metalloproteinase 14 / Q000378:metabolism*; D020778:Matrix Metalloproteinase 2 / Q000378:metabolism*; D013091:Spermatogenesis / Q000502:physiology*; D013093:Spermatogonia / Q000502:physiology*; D013737:Testis / Q000378:metabolism*; D019716:Tissue Inhibitor of Metalloproteinase-2 / Q000378:metabolism*
chemical_list: D019716:Tissue Inhibitor of Metalloproteinase-2; D020778:Matrix Metalloproteinase 2; D053511:Matrix Metalloproteinase 14