1. The excitatory process observed in the exposed human heart;Barker, P.S.; Macleod, A.G.; Alexander, J.;Amer. Heart J,1930
2. The St. Cyres lecture on the aetiology of cardiac arrhythmias. Guy's Hosp;Campbell, M.;Rep,1935
3. Partial heart block due to digitalis;Campbell, M.;Brit. Heart J,1942
4. Partial heart block with dropped beats;Campbell, M.;Brit. Heart J,1943
5. Latent heart block;Campbell, M.;Brit. Heart J,1943