000 00298nam a2200133Ia 4500
003 3175
008 ||||||n9999 ||||| |||| 00| 0|spa |
020 _a0269 9370
041 _aspa
100 _aPiot, P
245 0 _aAids in Africa
260 _aPhiladelphia
_bCurrent Science
_c1991
300 _a208
999 _c24712
_d24712