1. Survey of “instructions to authors” of Indian medical journals for reporting of ethics and authorship criteria;Jaykaran;Indian J Med Ethics,2011
2. Courtesy authorship in academic surgery publications;McClellan;JAMA Surg,2019
3. Do the instructions to authors of Pakistani medical journals convey adequate guidance for authorship criteria?;Samad;Pak J Med Sci,2009
4. Do medical journals provide clear and consistent guidelines on authorship?;Wager;MedGenMed,2007
5. Prevalence of articles with honorary authors and ghost authors in peer-reviewed medical journals;Flanagin;JAMA,1998