000 00338nam a2200121Ia 4500
008 210804s1986||||xx |||||||||||||| ||und||
041 _aeng
100 _aDunsmore Donald J
245 0 _aSafety measures for use in outbreaks of communicable disease
260 _aGeneva
_bWorl health organisation (who)
_c1986
300 _a99
942 _cBK
999 _c12725
_d12725