TY - RPRT TI - Risk factors for cryptorchidism: a nested case-control study. AU - G S Berkowitz AU - R H Lapinski PY - 1996 DO - 10.1111/j.1365-3016.1996.tb00024.x UR - https://pubmed.ncbi.nlm.nih.gov/8746430/ ID - 8746430 ER -