Letter to the Editor: Should we focus on quality or quantity in meta-analyses?

High density Lipoprotein; What to Measure: Quality or Quantity?

From collodion bag to skid-mounted pervaporation unit: 100th anniversary

Let’s commemorate the 100th anniversary of “pervaporation” by committing ourselves to position it as it deserves. Dear editor, this Submission is a letter to the Editor, and thus, a abstract does not apply.Therefore, this section will be used as a space for my comment or suggestion because it is needed for the next step. When we submit a letter to the editor,...

Iran's Health Tourism Market during and after the Corona Pandemic and: Letter to the editor

The importance of maintaining and restoring health has always made human beings seek health care. Lack of proper access to health care, price and quality differences, as well as other factors among different countries have led to the formation of a long-standing industry called health tourism. Outbreak of coronavirus throughout the world has shocked and affected most countries. In this regard, ...

Letter of Editor-in-Chief

Dear Colleagues,   As Editor-In-Chief of Journal of Cardio-Thoracic Medicine (JCTM), it is my pleasure to introduce this official quarterly publication of Mashhad University of Medical Sciences, which is an international, peer-reviewed, and English language journal. Our aim is to publish high quality integrating clinical and experimental research in the following fields: Respiratory medici...

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...