000 00249nam a2200109Ia 4500
100 _aW.H.O Tech.Rep series no.721
942 _cBK
245 _aViral hemorrhagic fevers
260 _aW.H.O, Geneva
_c1985
082 _aR616.047 WHO/TRS
300 _a126
999 _c66188
_d66188