00298nam a2200109Ia 4500008004100000040001100041100001900052245003500071260005500106300001700161300001000178251112s9999||||xx |||||||||||||| ||und||  aCNCLSA  aA.J. Zuckerman 0aJournal of Virological Methods  cOctober 31, 1994bSpringer InternationalaNew York  aP. 1887-2817  bV. 37