Similarity, allometry and food chains.
D000367:Age Factors; D000818:Animals; D001835:Body Weight; D004064:Digestive System / Q000033:anatomy & histology; D004285:Dogs; D004463:Ecology; D005163:Factor Analysis, Statistical; D005247:Feeding Behavior; D005507:Food Contamination, Radioactive; D006128:Growth; D006801:Humans; D008657:Metabolic Clearance Rate; D008660:Metabolism; D051379:Mice; D008954:Models, Biological; D011153:Population; D011868:Radioisotopes; D051381:Rats
D011868:Radioisotopes