PT Journal AU Petersen, PM Giwercman, A Pakkenberg, B TI Stereological methods as efficient and unbiased tools to quantitate structures in the testis SO Scandinavian Journal of Work, Environment & Health PD VL PY 1999 BP 31 EP 33 IS 1 WP https://www.sjweh.fi/show_abstract.php?abstract_id=396 DE Leydig cells; Sertoli cell; stereology SN 0355-3140 ER