PT - JOURNAL ARTICLE ED - , TI - Announcements DP - 1990 Nov 01 TA - Cancer Research PG - 7089--7090 VI - 50 IP - 21 4099 - http://cancerres.aacrjournals.org/content/50/21/7089.short 4100 - http://cancerres.aacrjournals.org/content/50/21/7089.full SO - Cancer Res1990 Nov 01; 50