[Chronic ulcerative gingivitis].
D001205:Ascorbic Acid / Q000627:therapeutic use*; D002908:Chronic Disease; D005891:Gingivitis / Q000628:therapy*; D006801:Humans
D001205:Ascorbic Acid
GINGIVITIS/therapy; VITAMIN C/therapeutic use
K voprosu o khronicheskom iazvennom gingivite.