- Author: Stanley Hoppenfeld MD Dr. Piet de Boer MD Dr. Richard Buckley MD
- Language: English
- Year: 2016
- Author: Stanley Hoppenfeld MD Piet deBoer MA FRCS Richard Buckley MD FRCSC
- Language: English
- Year: 2009
- Author: Stanley Hoppenfeld Piet deBoer Richard Buckley
- Language: English
- Year: 2009