Al-Sharbati, Marwan M., Ziad A. J. Zaidan, Ala’Adin Al-Hussaini, and Khalid Al-Khalili. 2003. “A Strange Type of Pica”. Sultan Qaboos University Medical Journal 5 (1):49-50. https://journals.squ.edu.om/index.php/squmj/article/view/1245.