TY - RPRT TI - Echovirus 11 dense particles: isolation and preliminary characterization. AU - L Cova-Baczko AU - M Aymard PY - 1982 DO - 10.1099/0022-1317-60-1-159 UR - https://pubmed.ncbi.nlm.nih.gov/7097249/ ID - 7097249 ER -