000			00609nam a22002057a 4500
999			_c148869 _d148868
005			20201120084612.0
008			201012b ||||| |||| 00| 0 eng d
041			_aEN
082			_223 _a617.6 _bWOR
110			_983692 _aWorld Health Organization
245			_aWHO study of dental caries etiology in papua new guinea
260			_aGeneva: _bWorld Health Organization; _c1978
300			_aVaried pagination
440			_9109104 _aWHO offset publication No.40,41,42,43,45
500			_aIncludes reference.
509			_aNS
650		4	_94604 _aDentistry
650		4	_9503 _aAir pollution
942			_cPR