00323nam a2200121Ia 4500008004100000022001400041040001100055100002300066245002400089260006700113300001200180300000900192251112s9999||||xx |||||||||||||| ||und||  a0022-538X  aCNCLSA  aEdward M. Scolnick 0aJournal Of Virology  cApril, 1982bThe American Society For MicrobiologyaWashington  aP.1-954  bV.52