1. Salmeterol, a new long-acting inhaled beta-2 adrenoceptor agonist: comparison with salbutamol in adult asthmatic patients;Ullman, A.; Svedmyr, N.;Thorax,1988
2. Salmeterol: a four-week study of a long-acting beta-adrenoceptor agonist for the treatment of reversible airways disease;Dahl, R.; Earmshaw, J.S.; Palmer, J.B.D.;Eur Respir3t,1991
3. An increasing work rate test for assessing the physiological strain of submaximal exercise;Spiro, S.G.; Juniper, E.; Bowman, P.; Edwards, R.H.T.;Clin Sci Mol Med,1974
4. American Thoracic Society. Standardisation of spirometry - 1987 update;Am Rev Respir Dis,1987
5. Perceived exertion as an indicator of somatic stress;Borg, G.;ScandJ. Rehab Med,1970