Diseases of the heart / by John Cowan ; with chapters on the electrocardiograph / by W.T. Ritchie and the ocular manifestations in arterio-sclerosis / by Arthur J. Ballantyne.

Specification of Henry Cowan, John Cowan, Phineas Cowan : consuming and utilizing smoke.

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Cowan, John, active 19th century

Works from the collections

Diseases of the heart / by John Cowan ; with chapters on the electrocardiograph / by W.T. Ritchie and the ocular manifestations in arterio-sclerosis / by Arthur J. Ballantyne.

Specification of Henry Cowan, John Cowan, Phineas Cowan : consuming and utilizing smoke.