title: Geophagia in man: its nature and nutritional effects.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D044383:Black People; D002648:Child; D002675:Child, Preschool; D003677:Deficiency Diseases / Q000209:etiology; D005247:Feeding Behavior; D001068:Feeding and Eating Disorders; D005260:Female; D006801:Humans; D007223:Infant; D007408:Intestinal Absorption; D007474:Ion Exchange; D007501:Iron; D008297:Male; D008628:Mercury; D008875:Middle Aged; D008903:Minerals / Q000032:analysis; D009747:Nutritional Physiological Phenomena; D010842:Pica; D011188:Potassium; D011247:Pregnancy; D012959:Socioeconomic Factors; D012987:Soil
chemical_list: D008903:Minerals; D012987:Soil; D007501:Iron; D008628:Mercury; D011188:Potassium