TY  - GEN
AU  - Cederlöf,R
AU  - Friberg,L
AU  - Hrubec,Z
TI  - Cardiovascular and respiratory symptoms in relation to tobacco smoking. A study on American twins
SN  - 0003-9896
PY  - 1969///0703
KW  - Adult
KW  - Aged
KW  - Angina Pectoris
KW  - complications
KW  - Bronchitis
KW  - Cardiovascular Diseases
KW  - Cough
KW  - Diseases in Twins
KW  - Epidemiologic Methods
KW  - Humans
KW  - Middle Aged
KW  - Respiratory Tract Diseases
KW  - Smoking
KW  - Sweden
KW  - United States
N1  - Publication Type: Journal Article
UR  - https://doi.org/10.1080/00039896.1969.10665517
ER  -