1. Barker D. Tooth wear as a result of pica. Br Dent J. 2005 Sep 10;199(5):271-3.
  2. Blinder BJ. An update on pica: prevalence, contributing causes, and treatment. Psychriatric Times. 2008 May;25(6). Accessed October 19, 2015.
  3. Chakraborty S, Sanyal D, Bhattacharyya R. A unique case of pica of adult onset with interesting psychosexual aspects. Indian J Psychol Med. 2011 Jan;33(1):89-91.
  4. Cooper MD. Pica. Access. 2010 May-June;24:39. Accessed October 19, 2015.
  5. Diagnostic and statistical manual of mental disorders: DSM-5. Arlington, Va: American Psychiatric Press, 2013.
  6. Ellis CR, Schnoes, CJ, Pataki C, et al. Medscape. Practice Essentials. Pica: Practice Essentials. Updated September 23, 2014. Accessed October 19, 2015.
  7. Hergüner S, Ozyildirim I, Tanidir C. Is Pica an eating disorder or an obsessive-compulsive spectrum disorder? Prog Neuropsychopharmacol Biol Psychiatry. 2008 Dec 12;32(8):2010-1.
  8. Khan Y, Tisman G. Pica in iron deficiency: a case series. J Med Case Rep. 2010 Mar 12;4:86.
  9. Klein A, Schröder C, Heinemann A, et al. Homicide or suicide? Xylophagia: a possible explanation for extraordinary autopsy findings. Forensic Sci Med Pathol. 2014 Sep;10(3):437-42.
  10. Lacey EP. Broadening the perspective of pica: literature review. Public Health Rep. 1990 Jan-Feb;105(1):29-35.
  11. Mishori R, McHale C. Pica: an age-old eating disorder that's often missed. J Fam Pract. 2014 Jul;63(7):E1-4.
  12. Parry-Jones B, Parry-Jones WL. Pica: symptom or eating disorder? A historical assessment. Br J Psychiatry. 1992 Mar;160:341-54.
  13. Rose EA, Porcerelli JH, Neale AV. Pica: common but commonly missed. J Am Board Fam Pract. 2000 Sep-Oct;13(5):353-8.
  14. Stokes T. The earth-eaters. Nature. 2006 Nov 30;444(7119):543-4.
  15. U.S. National Library of Medicine. MedlinePlus. Pica. Updated 2/14. Accessed October 19, 2015.
  16. Young SL, Wilson MJ, Miller D, et al. Toward a Comprehensive Approach to the Collection and Analysis of Pica Substances, with Emphasis on Geophagic Materials. PLoS ONE 2008 3(9):e3147. Accessed October 19, 2015.