On the presence of fecal steroids in sediments from two Mexican harbors.
D004083:Cholestanol / Q000032:analysis*; D002784:Cholesterol / Q000031:analogs & derivatives* / Q000032:analysis*; D002849:Chromatography, Gas; D005243:Feces; D008800:Mexico; D013256:Steroids; D014876:Water Pollution / Q000032:analysis*
D013256:Steroids; D004083:Cholestanol; D002784:Cholesterol