1. Doctor urges probe into squash deaths;Anonymous;(Editorial). Glasgow Herald,1980
2. Cause of death on squash courts. On Call;Fowler, A.W.,1980
3. Heart rate telemetry and estimated energy metabolism in minor league ice hockey;Paterson, D.H.; Cunningham, D.A.; Penny, D.S.; Lefcoe, M.; Sangal, S.;CanJAppl Sport Sa,1977
4. Radio telemetry of the electrocardiogram, fitness tests and oxygen uptake of waterpolo players;Goodwin, A.B.; Ciminng, G.R.;Can Med Assoc J,1966
5. A comparison of heart rate responses in racket games;Docherty, D.;BrJ Sports Med,1982