TY - RPRT TI - Testosterone levels and spatial ability in men. AU - I Silverman AU - D Kastuk AU - J Choi AU - K Phillips PY - 1999 DO - 10.1016/s0306-4530(99)00031-1 UR - https://pubmed.ncbi.nlm.nih.gov/10581652/ ID - 10581652 ER -