WoywodtA., KissA.Geophagia: the history of earth-eating.J R Soc Med2002; 9: 143–6
2.
GrewalP., FitzgeraldB.Pica with learning disability.J R Soc Med2002; 95: 39–40
3.
SaloojeeH., PettiforJ.Iron deficiency and impaired child development: the relation may be causal, but it may not be a priority for intervention.BMJ2001; 323: 1377–8
4.
AndersonJ.E., AkmalM., KitturD.S.Surgical complications of pica: report of a case of intestinal obstruction and a review of the literature.Am Surg1991; 57: 663–7
5.
Parry-JonesB., Parry-JonesW.L.Pica: symptom or eating disorder? A historical assessment.Br J Psychiatry1992; 160: 341–4