title: The relationship between men's endogenous levels of testosterone and their penile responses to erotic stimuli.
mesh_terms: D000328:Adult; D004882:Erotica; D006801:Humans; D007989:Libido / Q000502:physiology*; D008297:Male; D009948:Orgasm; D010413:Penis / Q000502:physiology*; D013739:Testosterone / Q000097:blood*
chemical_list: D013739:Testosterone