Pharmacology and therapeutics of coughK. Fan Chung, John G. Widdicombe, M. G. Belvisi · First published 2009Open the Tome
Control of breathing and its modeling perspectiveYoshiyuki Honda, John G. Widdicombe · First published 1992Open the Tome
Handbook of Physiology Vol. II, Pts. 1 & 2 : Section 3 : the Respiratory System Volume II, Parts 1 and 2John G. Widdicombe · First published 1985Open the Tome