Reverse transcriptase and high molecular weight RNA in particles from mouse and human milk.

Animals Centrifugation, Density Gradient DNA Nucleotidyltransferases/analysis DNA, Viral/analysis Dithiothreitol Female Humans Mice Mice, Inbred Strains Milk/analysis Milk, Human/microbiology Molecular Weight Oncogenic Viruses/enzymology RNA Viruses/enzymology RNA, Viral/analysis Tritium

DNA, Viral RNA, Viral Tritium DNA Nucleotidyltransferases Dithiothreitol