[Case reports of 3 young periodontal patients].
D000293:Adolescent; D000328:Adult; D001419:Bacteria / Q000302:isolation & purification; D002118:Calcium / Q000378:metabolism; D005260:Female; D006801:Humans; D010510:Periodontal Diseases / Q000209:etiology* / Q000378:metabolism / Q000382:microbiology
D002118:Calcium