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Anti-Cancer Drugs|August 1, 1995
Camptothecin cytotoxic effects in vitro: dependency on exposure duration and doseL Helson, C Helson, S AinsworthNeurochemical Research|December 1, 1993
delta-Aminolevulinic acid effects on neuronal and glial tumor cell linesL Helson, S Braverman, J MangiardiCancer Drug Delivery|January 1, 1984
Importance of clinical exposure on verapamil enhancement of adriamycin-vincristine cytotoxicity in human neuroblastomaL Helson, B Member, C HelsonAnticancer Research|September 1, 1995
Hemin toxicity in a human epithelioid sarcoma cell lineS Braverman, C Helson, L HelsonExperimental Cell Biology|January 1, 1979
Effects of murine tumor necrosis factor on heterotransplanted human tumorsL Helson, C Helson, S GreenStatistics in Medicine|August 15, 1995
The biostatistician in medical research: allocating time and effortM L Lesser, R A ParkerAnnals of Clinical and Laboratory Science|July 1, 1975
Diagnostic value of cytologic specimens obtained from children with cancerL Helson, P Krochmal, S I HajduCancer|December 1, 1983
Preradiation chemotherapy for newly diagnosed childhood brain tumors. A modified Phase II trialJ C Allen, L Helson, B JerebCancer|May 1, 1986
Familial neuroblastoma. Case reports, literature review, and etiologic considerationsB H Kushner, F Gilbert, L HelsonMedical and Pediatric Oncology|January 1, 1980
DOPA metabolism in neuroblastomaL Helson, G A Johnson, R SmithPageof 18