The weanling as time-traveller.
D003296:Cooking; D003906:Developing Countries; D003967:Diarrhea / Q000209:etiology* / Q000517:prevention & control; D004032:Diet; D005516:Food Microbiology; D006801:Humans; D007422:Intestines / Q000382:microbiology; D014195:Travel; D014871:Water Microbiology