TY - GEN ED - World Health Organization Yellow-Fever Panel. Session (1st : 1949 : Geneva). TI - Yellow-Fever Panel : report on the first session, Geneva, 1-6 December 1949 T2 - (WHO technical report series ; 19) SN - 92-4-120020-0 PY - 1950/// CY - Geneva : PB - World Health Organization KW - Yellow fever ER -