1. Pica: common but commonly missed;Rose;J Am Board Fam Pract,2000
2. Geomelophagia. An unusual pica in iron-deficiency anemia;Johnson;Am J Med,1982
3. The behavior of eating glass, with radiological findings: a case of pica;Kumsar;J Neuropsychiatry Clin Neurosci,2013
4. Kaplan & sadock synopsis of psychiatry;Sadock;Behav Sci Clin Psychiatr,2015
5. DSM-5 diagnostic classification,2013