In vitro thymidine labelling of human pulmonary neoplasms.

Abstract: The in vitro thymidine labelling indices (TLI) of 58 human lung tumours were assessed using autoradiography. The labelling technique involved incubation of 1 mm3 tumour fragments with 3H-thymidine (5 muCi ml-1) under conditions of hyperbaric oxygenation at a...