title: MORBIDITY AMONG MONOZYGOTIC TWINS.
mesh_terms: D001416:Back Pain; D001824:Body Constitution; D001991:Bronchitis; D002318:Cardiovascular Diseases; D003327:Coronary Disease; D004200:Diseases in Twins; D006801:Humans; D008175:Lung Neoplasms; D009017:Morbidity; D012907:Smoking; D013270:Stomach; D013548:Sweden; D014427:Twins; D014430:Twins, Monozygotic
keywords: BACKACHE; BODY CONSTITUTION; BRONCHITIS; CARDIOVASCULAR DISEASES; CORONARY DISEASE; DISEASES IN TWINS; LUNG NEOPLASMS; MORBIDITY; SMOKING; STOMACH; SWEDEN