532,713 PROCEEDINGS Proceedings of the IV-th Regional Tuberculosis Conference of the Africa and Madagascar Region of the IUAT (International Union Against Tuberculosis).Meeting combined with the 1974 Annual Meeting of the IUAT. Lagos, Nowenber 1974. Paris 1975 80s. nib. 4, 155 Bulletin of the International Union Against Tuberculosis, vol. 50, nr 2.