ASNQ - Harter,D.H.; Choppin,P.W. - Possible mechanisms in the pathogenesis of "postinfectious" encephalomyelitis - Research Publications - Association for Research in Nervous and Mental Disease 1971; 49: 342-55
AIQD - Mountcastle,W.E.; Harter,D.H.; Choppin,P.W. - The proteins of visna virus - Virology 1972 Feb; 47(2): 542-5