DOI:
10.1055/s-00000012
Endoscopy
LinksClose Window
References
Loney PL, Chambers LW, Bennett KJ. et al.
Critical appraisal of the health research literature: prevalence or incidence of a health problem.
Chronic Dis Can 1998;
19: 170-176
We do not assume any responsibility for the contents of the web pages of other providers.