000 01094cam a2200277 4500
020 _a9241206217
035 _a(Sirsi) 9241206217
060 _aWU 240
110 2 _aWHO Scientific Group on Epidemiology
_qEtiology, and Prevention of Periodontal Diseases.
245 0 0 _aEpidemiology, etiology, and prevention of periodontal diseases :
_breport of a WHO scientific group [meeting held in Moscow from 23 November to 2 December 1977]
260 _aGeneva :
_bWorld Health Organization,
_c1978.
300 _a60 p.
440 0 _aWorld Health Organization technical report series ;
_vno. 621
500 _ajap published by: Tokyo : Oral Health Association of Japan.
500 _aRussian version of nos. 613-636 bound together (barcode no. 00073787).
546 _aeng fre rus spa.
546 _ajpn.
561 _aWHO monograph
596 _a4
650 0 2 _aPeriodontal diseases.
710 2 _aWorld Health Organization.
856 _uhttps://apps.who.int/iris/
856 _uhttps://apps.who.int/iris/
008 891109s1978 eng
942 _2NLM
_cMONOGRAPH
999 _c15535
_d15535