异食癖。

Br J Hosp Med. 1987 Apr;37(4):286-90.

This article offers a means of defining and classifying various types of pica, and puts forward possible aetiological explanations for how pica may arise. When considering the question of treatment the aetiology of the disorder may be of fundamental importance.

本文提供了一种定义和分类各种异食癖类型的方法，并针对异食癖可能如何产生提出了可能的病因学解释。在考虑治疗问题时，该病症的病因学可能至关重要。