Purification of mengovirus and identification of an A-rich segment in its ribonucleic acid.

Adenosine Adenosine Monophosphate/analysis Animals Carbon Isotopes Carcinoma, Hepatocellular Cell Line Centrifugation, Density Gradient Liver Neoplasms Mengovirus/analysis,growth & development,isolation & purification Methods Molecular Weight Polynucleotides/analysis RNA, Viral/analysis,isolation & purification Rats Ribonucleases Tritium Ultrafiltration Uridine

Carbon Isotopes Polynucleotides RNA, Viral Tritium Adenosine Monophosphate Ribonucleases Adenosine Uridine