- Author: John W. Clark Srinivas Gazula (auth.) S. Fantoni S. Rosati (eds.)
- Language: English
- Year: 1991
- Author: Τζων Κλαρκ (John P. Clark)
- Language: Greek
- Year: 2003
- Author: Τζων Κλαρκ (John P. Clark)
- Language: Greek
- Year: 2003
- Author: John P. Clark
- Language: Greek
- Year: 2010
- Author: John P. Clark
- Language: Greek
- Year: 2010
- Author: Robin John Hawes Clark, Brian Stewart, Carl Wilhelm Schläpfer, Alexander von Zelewsky, Arndt Simon, All authors
- Language: English
- Year: 1979
- Author: John W Clark
- Language: English
Asthma
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- Author: Timothy John Hayes Clark
- Language: English
- Year: 2000