title: [Study of the influence of tobacco usage on circulating CEA levels].
mesh_terms: D000328:Adult; D002272:Carcinoembryonic Antigen / Q000032:analysis; D006801:Humans; D008297:Male; D008875:Middle Aged; D012907:Smoking
chemical_list: D002272:Carcinoembryonic Antigen
vernacular_title: Etude de l'influence de l'usage du tabac sur le taux de CEA circulant