title: A serological study of primary thymic neoplasms.
mesh_terms: D000328:Adult; D000368:Aged; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D009157:Myasthenia Gravis / Q000150:complications*; D013934:Thymectomy; D013953:Thymus Neoplasms / Q000276:immunology*; D005719:gamma-Globulins / Q000097:blood*
chemical_list: D005719:gamma-Globulins