An epidemiological study of cancer of the digestive organs and respiratory system. A study based on 7078 cases.
D004067:Digestive System Neoplasms; D016021:Epidemiologic Studies; D041981:Gastrointestinal Tract; D009369:Neoplasms; D012137:Respiratory System; D012142:Respiratory Tract Neoplasms
GASTROINTESTINAL SYSTEM/neoplasms; RESPIRATORY SYSTEM/neoplasms