000 00468cam a22001457a 4500
008 180718b1971 xxu||||| |||| 00| 0 eng d
082 _aO1 W893
245 _aMass health examinations
_cby World Health Organization
260 _aGeneva
_bWorld Health Organization
_c1971
300 _a99p
440 _aPublic health papers; 45
650 _aMedical screening --Congresses.
650 _aHealth surveys --Congresses
700 _aSwitzerland. World Health Organization
999 _c414837
_d414837