title: Serum vitamin 'A' in bronchogenic carcinoma.
mesh_terms: D000230:Adenocarcinoma / Q000097:blood; D002283:Carcinoma, Bronchogenic / Q000097:blood*; D002294:Carcinoma, Squamous Cell / Q000097:blood; D006801:Humans; D008175:Lung Neoplasms / Q000097:blood*; D014801:Vitamin A / Q000097:blood*
chemical_list: D014801:Vitamin A