May 1994, Volume 44, Issue 5

Editorial

Radionuclide Oesophageal Transit Studies

Rashid Hashmi  , Shahid Kamal

Endoscopy, barium swallow and manometry remain the main diagnostic modalities for the assessĀ­ment of oesophageal disorders. While barium swallow is helpful in the detection of anatomical etiologies such as strictures, tumours, webs etc., endoscopy is perĀ­formed to rule out

RESEARCH ARTICLES

IN THIS ISSUE

Practical Epidemiology and Biostatistics in Research

Bias and Confounding

Melvyn A. Lobo , et al

Abstracts From the Journals of the East

Fatema Jawad , et al

Journal of the Pakistan Medical Association has agreed to receive and publish manuscripts in accordance with the principles of the following committees: