Segment 1 Davies introduces the lecture. He and Professor Alexander are then shown seated for discussion. They explain that they are going to have a dialogue on the subject of immunology. They begin by discussing chemically induced tumours. Time start: 00:00:00:00 Time end: 00:05:35:00 Length: 00:05:35:00
Segment 2 Davies and Alexander talk about tumours induced by chemical carcinogens in experimental animals. Time start: 00:05:35:00 Time end: 00:10:32:00 Length: 00:04:57:00
Segment 3 Davies and Alexander talk about tumour-specific transplanatation-type antigens (TSTAs). Time start: 00:10:32:00 Time end: 00:16:12:15 Length: 00:05:40:15
Segment 4 The problems with relying on chemically induced human tumours developed in vitro is discussed. Time start: 00:16:12:15 Time end: 00:22:10:15 Length: 00:05:58:00
Segment 5 Davies and Alexander talk about T cells, B cells and macrophages and their relationship to cancer. Time start: 00:22:10:15 Time end: 00:26:57:15 Length: 00:04:47:00
Segment 6 Cytotoxic cells and their relation to cancer are discussed. Time start: 00:26:57:15 Time end: 00:31:20:00 Length: 00:04:22:10
Segment 7 Davies and Alexander conclude their discussion. Time start: 00:31:20:00 Time end: 00:36:04:11 Length: 00:04:00:11