title: [MORBIDITY IN UNIOVULAR TWINS IN RELATION TO SMOKING HABITS AND RESIDENCE. A PRELIMINARY REPORT].
mesh_terms: D000397:Air Pollution; D001416:Back Pain; D003371:Cough; D004200:Diseases in Twins; D004417:Dyspnea; D005767:Gastrointestinal Diseases; D006184:Habits; D006801:Humans; D008499:Medical Records; D009017:Morbidity; D010146:Pain; D012907:Smoking; D013270:Stomach; D013896:Thoracic Diseases; D014427:Twins; D014430:Twins, Monozygotic
keywords: AIR POLLUTION; BACKACHE; COUGH; DISEASES IN TWINS; DYSPNEA; GASTROINTESTINAL DISEASES; MEDICAL RECORDS; PAIN; SMOKING; STOMACH; THORACIC DISEASES
vernacular_title: SJUKLIGHET HOS ENAEGGSTVILLINGAR MED HAENSYN TILL ROEKVANOR OCH BOSTADSORT. EN PRELIMINAER RAPPORT.