The Finnish twin registry : baseline characteristics : Section 1, Materials, methods, representativeness and results for variables special to twin studies
The Finnish twin registry : baseline characteristics : Section 1, Materials, methods, representativeness and results for variables special to twin studies
The Finnish twin registry : baseline characteristics : Section 2, History of symptoms and illnesses, use of drugs, physical characteristics, smoking, alcohol and physical activity
The Finnish twin registry : baseline characteristics : Section 2, History of symptoms and illnesses, use of drugs, physical characteristics, smoking, alcohol and physical activity
The Finnish twin registry : baseline characteristics : Section 2, History of symptoms and illnesses, use of drugs, physical characteristics, smoking, alcohol and physical activity
The Finnish twin registry : baseline characteristics : Section 1, Materials, methods, representativeness and results for variables special to twin studies
The Finnish twin registry : baseline characteristics : Section 1, Materials, methods, representativeness and results for variables special to twin studies