title: Prevention of hazardous drinking: the value of laboratory tests.
authors.forename: R D
authors.initials: RD
authors.lastname: Johnson
authors.forename: R
authors.initials: R
authors.lastname: Williams
mesh_terms: D000437:Alcoholism / Q000097:blood / Q000175:diagnosis*; D006801:Humans; D008875:Middle Aged; D005723:gamma-Glutamyltransferase / Q000097:blood
chemical_list: D005723:gamma-Glutamyltransferase