title: Influence of weathered crude oil on liver enzyme metabolism of testosterone in gulls.
mesh_terms: D000818:Animals; D001717:Birds / Q000378:metabolism*; D005648:Fuel Oils; D008099:Liver / Q000201:enzymology*; D010578:Petroleum; D013739:Testosterone / Q000378:metabolism*
chemical_list: D005648:Fuel Oils; D010578:Petroleum; D013739:Testosterone