Chicken embryonic cells (CEC) cultured in vitro were able to
withstand the toxicity of DDT at concentrations below 10μg/ml culture
medium. When the DDT concentration exceeded the toxic level, CEC
appeared vacuolated and lost the spindle-like fibroblastic appearance,
Gas chromatographic analysis had shown that the uptake of DDT (3μg/
ml'culture...
Oregon Biography Index is intended to serve primarily as a starting point in locating biographies of Oregonians. We have indexed 47 historical volumes which are either entirely devoted to biographies or have large self-contained biographical sections. The profiles in the books vary widely in accuracy and detail. Birth dates of...