TY - GEN AU - Wolff,H L AU - Croon,J J AU - Porterfield,J S AU - de Madrid,A T TI - Yellow fever neutralization tests carried out on blood samples collected on filter paper strips SN - 0035-9203 PY - 1971///0123 KW - Humans KW - Methods KW - Neutralization Tests KW - Paper KW - Yellow Fever KW - diagnosis N1 - Publication Type: Journal Article UR - https://doi.org/10.1016/0035-9203(70)90052-0 ER -