- Author: Roger Allen, Robin Ostle
- Language: English
- Year: 2015
- Author: Muḥammad al-Muwayliḥī, Roger Allen, Maria Golia
- Language: English
- Year: 2018
- Author: Muḥammad al-Muwayliḥī (editor), Roger Allen (editor)
- Language: English
- Year: 2015
- Author: Muḥammad al-Muwayliḥī (editor), Roger Allen (editor)
- Language: English
- Year: 2015
- Author: Ibrahim al-Koni, Roger Allen
- Language: English
- Year: 2014
- Author: Richard Wagner Roger Allen
- Language: English
- Year: 2014
Dermatology
pdf
- Author: Bernard Roger Allen MB ChB FRCP (auth.)
- Language: English
- Year: 1990
- Author: Roger Allen
- Language: English
- Year: 2018
- Author: Roger Allen
- Language: English
- Year: 2018
- Author: Roger Allen
- Language: English
- Year: 2007