User talk:Sheikh Umar Ahmad

July 2019
Please do not add or change content, as you did at Glycyrrhizin, without citing a reliable source. Please review the guidelines at Citing sources and take this opportunity to add references to the article. ''Please don't use primary research sources in the encyclopedia. Content must be supported by WP:MEDRS reviews of advanced research. For further background for editing medical content, see WP:MEDHOW.'' Zefr (talk) 13:44, 22 July 2019 (UTC)