TY - GEN AU - Risebrough,R W AU - Menzel,D B AU - Martin,D J AU - Olcott,H S TI - DDT residues in Pacific sea birds: a persistent insecticide in marine food chains SN - 0028-0836 PY - 1968///0520 KW - Animals KW - Birds KW - California KW - Chromatography, Gas KW - DDT KW - analysis KW - Dieldrin KW - Female KW - Fishes KW - Hydrocarbons, Halogenated KW - Marine Biology KW - Ovum N1 - Publication Type: Journal Article UR - https://doi.org/10.1038/216589a0 ER -