publisher: Bmj Publishing Group publish date: May 8th 1998
format: paperback pages: 112
language: English
ISBN:
0727912119 (9780727912114)
publisher: Bmj Publishing Group publish date: January 1st 2008
format: ebook pages: 129
language: English
ISBN:
1281321729 (9781281321725)
publisher: Bmj Publishing Group publish date: April 15th 2008
format: ebook pages: 115
language: English
ISBN:
0470759941 (9780470759943)