000 00368nam a2200109Ia 4500
008 160509s9999 xx 000 0 und d
100 _aThe Journal of Infectious Diseases
245 4 _aThe Journal of Infectious Diseases : 1990 : Volume 161(Apr-Jun) : Shelf 12.6
260 _bUniversity of Chicago
_c1990
300 _a1335p.
650 _aThe Journal of Infectious Diseases
999 _c4978
_d4978