[Histochemical investigations on the age changes of fibrous components in the rat molar periodontium].
D000375:Aging; D003094:Collagen / Q000502:physiology; D003813:Dentistry; D004547:Elastic Tissue / Q000502:physiology; D010519:Periodontium / Q000033:anatomy & histology / Q000502:physiology; D014078:Tooth Eruption
D003094:Collagen