Letter to the Editor: On epidemiology of fractures and variation with age and ethnicity.

Letter to Editor----------------------------------

No Abstract ...................................................................................................................................................................................................................  

Letter to the Editor: In response to “The effect of Aromatherapy with Geranium and Lemon Essential Oil on Situational Anxiety and Physiological Indices of Patients after Coronary Angioplasty”

A letter to editor without abstract.

Letter to editor: the critical appraisal of “efficacy of licorice extract in the treatment of melasma: a randomized, double-blind, lacebo-controlled clinical trial”

This is a letter to editor criticizing the paper entitled “Efficacy of licorice extract in the treatment of melasma: A randomized, double-blind, placebo-controlled clinical trial”. We discuss some methodological points on external and internal validity of results. The paper suffers from lack of detailed information on sample size and power calculation to make sure generalisability of results to...

Effects of Tranexamic Acid on Bleeding and Hemoglobin Levels in Patients Undergoing Percutaneous Nephrolithotomy: Letter to Editor

Environmental gamma radiation: a comment (Letter to the Editor)

Editor, I read the recent publication by Toossi et al. with a great interest (1). Toossi et al. concluded that “Average gonad and bone marrow doses for North Khorasan, Boshehr and Hormozgan provinces were less than the corresponding values for normal area (2).” There are some facts on this report to be concerned. I agree that the detected levels might be high in the mentioned area, but th...