Perio.
Perio.
- [Revised 1972.]
- [Washington, D.C., 1973]
- [11] p. : ill.
DHEW publication (NIH) 73-403; Division of Dental Health. Document for sale by the Superintendent of Documents, paper, 40c. Oblong 24mo. CRDP Program Historic Shelflist record.
Teeth--Care and hygiene.
0507-D-01
HE 20.3102:P 41/972
DHEW publication (NIH) 73-403; Division of Dental Health. Document for sale by the Superintendent of Documents, paper, 40c. Oblong 24mo. CRDP Program Historic Shelflist record.
Teeth--Care and hygiene.
0507-D-01
HE 20.3102:P 41/972