title: Phostosensitization of sea-urchin sperm to long-wave ultraviolet light by psoralen.
mesh_terms: D000818:Animals; D003374:Coumarins / Q000494:pharmacology*; D004447:Echinodermata; D005306:Fertilization; D008297:Male; D010787:Photosensitivity Disorders; D013094:Spermatozoa / Q000528:radiation effects*; D014466:Ultraviolet Rays
chemical_list: D003374:Coumarins