General discussion. Usefulness and limitations of model systems.
D000596:Amino Acids / Q000378:metabolism; D003094:Collagen / Q000096:biosynthesis; D004195:Disease Models, Animal; D006801:Humans; D010510:Periodontal Diseases / Q000378:metabolism*; D010519:Periodontium / Q000378:metabolism
D000596:Amino Acids; D003094:Collagen