1. Robischon P. Pica practice and other hand-mouth behavior and children’s development level. Nurs Res 1971;20(1):4-16.
2. Cooksey NR. Pica and olfactory craving of pregnancy: How deep are the secrets? Birth 1995;22(3):129-37.
3. Danford DE, Smith JC, Huber AM. Pica and mineral status in the mentally retarded. Am J Clin Nutr 1982;35(5):958-67.
4. Jawed SH, Krishnan VH, et al. Worsening of pica as a symptom of Depressive illness in a person with severe mental handicap. Br J Psychiatry 1993;162:835-7.
5. Sturmey P. Pica and developmental disability. J Am Board Fam Pract 2001;14(1):80-1.
6. Tracy JI, de Leon J, Qureshi G, et al. Repetitive behaviors in schizophrenia: a single disturbance or discrete symptoms? Schizophr Res 1996;20(1-2):221-9.
7. Federman DG, Kirsner RS, Federman GS. Pica: Are you hungry for the facts? Conn Med 1997;61(4):207-9.
8. Parry-Jones B, Parry-Jones WL. Pica: symptom or eating disorder? A historical perspective. Br J Psychiatry. 1992;160:341-54.
9. Goldstein M. Adult pica: A clinical nexus of physiology and psychodynamics. Psychosom 1998;39:465-9.
10. Danford DE. Pica and nutrition. Annu Rev Nutr 1982;2:303-22.
11. Jackson WC, Martin JP. Amylophagia presenting as gestational diabetes. Arch Fam Med 2000;9(7):649-52.
12. Geissler PW, Prince RJ, Levene M, et al. Perceptions of soil-eating and anemia among pregnant women on the Kenyan coast. Soc Sci Med 1999;48(8):1069-79.
13. Parry-Jones B. Historical terminology of eating disorders. Psychol Med 1991;21:21-8.
14. Rose EA, Porcerelli JH, Neale AV. Pica: common but commonly missed. J Am Board Fam Pract 2000;13(5):353-8.
15. Castiglia PT. Pica. J Pediatr Health Care 1993;7(4):174-5.
16. Fairburn CG, Stein A, Jones R. Eating habits and eating disorders during pregnancy. Psychosom Med 1992;54(6):665-72.
17. Hook EB. Dietary cravings and aversions during pregnancy. Am J Clin Nutr 1978;31(8):1355-62.
18. Madden LJ, Seeley RJ, Woods SC. Intraventricular neuropeptide Y decreases need induced sodium appetite and increases pica in rats. Behav Neurosci 1999;113:826-32.
19. Appel RG, Bleyer AJ. Pica associated with renal and electrolyte disorders. Int J Artif Organs 1999;22(11):726-9.
20. Crosby WH. Pica. JAMA 1976;235(25):2765.-
21. Lofts RH, Schroeder SR, Maier RH. Effects of serum zinc supplementation on pica behavior of persons with mental retardation. Am J Ment Retard 1990;95(1):103-9.
22. Siklar Z, Gulten T, Dallor Y, Gunay S. Pica and intoxication in childhood. Clin Pediatr (Phila) 2000;39(10):624-5.
23. Rainville AJ. Pica practices of pregnant women are associated with lower maternal hemoglobin level at delivery. J Am Diet Assoc 1998;98(3):293-6.
24. Rothenberg SJ, Manalo M, Jiang J, et al. Maternal blood lead level during pregnancy in South Central Los Angeles. Arch Environ Health 1999;54(3):151-7.
25. Marinella MA. “Tomatophagia” and iron-deficiency anemia. N Engl J Med 1999;341(1):60-1.
26. Crosby WH. Pica: A compulsion caused by iron deficiency. Br J Haematol 1976;34(2):341-2.
