By James Martin A   Campbell John L   in British Journal of General Practice

ISSN:1478-5242|62|598|234-235

Royal College of General Practitioners‎(2012)‎

Access to resources Favorite 10.501781

By Clark Christopher E   Campbell John L   in British Journal of General Practice

ISSN:1478-5242|59|563|448-449

Royal College of General Practitioners‎(2009)‎

Access to resources Favorite 9.712204

By Greaves Colin J   Campbell John L   in British Journal of General Practice

ISSN:1478-5242|57|543|814-821

Royal College of General Practitioners‎(2007)‎

Access to resources Favorite 9.712204

By Campbell John L   Clay J Henry   in British Journal of General Practice

ISSN:1478-5242|60|572|155-157

Royal College of General Practitioners‎(2010)‎

Access to resources Favorite 9.712204

By Kernick David   Reinhold Deborah   Campbell John L   in British Journal of General Practice

ISSN:1478-5242|59|566|678-681

Royal College of General Practitioners‎(2009)‎

Access to resources Favorite 9.712204

By Jones Rupert CM   Chung Man C   Berger Zoë   Campbell John L   in British Journal of General Practice

ISSN:1478-5242|57|543|808-810

Royal College of General Practitioners‎(2007)‎

Access to resources Favorite 6.474803

By Clark Christopher E   Greaves Colin J   Evans Philip H   Dickens Andy   Campbell John L   in British Journal of General Practice

ISSN:1478-5242|59|563|428-432

Royal College of General Practitioners‎(2009)‎

Access to resources Favorite 6.474803

By Richards Suzanne H   Winder Rachel   Seamark David   Seamark Clare   Ewings Paul   Barwick Angela   Gilbert James   Avery Sarah   Human Sarah   Campbell John L   in British Journal of General Practice

ISSN:1478-5242|58|550|331-338

Royal College of General Practitioners‎(2008)‎

Access to resources Favorite 4.856102

By Campbell John L.   in Canadian Journal of Forest Research

ISSN:1208-6037|42|10|1810-1818

NRC Research Press‎(2012)‎

Access to resources Favorite 3.3164928

By Campbell John L.   in Water, Air, and Soil Pollution

ISSN:0049-6979|151|1-4|373-396

Springer Publishing Company ‎(2004)‎

Access to resources Favorite 3.3164928