Tolmach, L J The action of caffeine on X-irradiated HeLa cells. IV. Progression delays and enhanced cell killing at high caffeine concentrations. [electronic resource] - Radiation research May 1980 - 374-92 p. digital Publication Type: Journal Article ISSN: 0033-7587 Subjects--Topical Terms: Caffeine--pharmacologyCell Survival--drug effectsDNA--antagonists & inhibitorsDose-Response Relationship, DrugDose-Response Relationship, RadiationHeLa Cells--drug effectsHumansInterphase--drug effectsRadiation-Sensitizing AgentsX-Rays