Molecular detection of EWS-FLI1 chimeric transcripts in Ewing family tumors by nested reverse transcription-polymerase chain reaction: application to archival paraffin-embedded tumor tissues. - Hisaoka,M.; Tsuji,S.; Morimitsu,Y.; Hashimiti,H.; Shimajiri,S.; Komiya,S.; Ushijima,M. (APMIS, 1999)