1. The physical work capacity of workers 50–64 years old;Åstrand;Acta Physiol Scand,1958
2. Aerobic work capacity in men and women with special reference to age;Åstrand;Acta Physiol Scand,1960
3. Blood pressure during physical work in a group of 221 women and men 48–63 years old;Åstrand;Acta Med. Scand,1965
4. The “minnesota code” for ECG classification. Adaptation to CR leads and modification of the code for ECG's recording during and after exercise;Åstrand;Acta Med Scand,1967
5. Reduction in maximal oxygen uptake with age;Åstrand;J Appl Physiol,1973