Biochemical development and the intestines.
D000220:Adaptation, Biological; D000818:Animals; D005075:Biological Evolution; D003968:Diarrhea, Infantile / Q000378:metabolism; D006801:Humans; D007223:Infant; D007413:Intestinal Mucosa / Q000378:metabolism; D007422:Intestines / Q000254:growth & development*; D007785:Lactose / Q000378:metabolism
D007785:Lactose