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The risk of tuberculous infection in Norway.
Waaler H, Galtung O, Mordal K. Waaler H, et al. Among authors: mordal k. Bull Int Union Tuberc. 1975;50(1):5-61. Bull Int Union Tuberc. 1975. PMID: 1218287 No abstract available.
[Mass X-ray screening and mass BCG-vaccination in Norway].
Galtung HO, Gleditsch G, Mordal K, Riddervold L, Waaler H. Galtung HO, et al. Among authors: mordal k. Tuberkuloza. 1966 Jan-Jun;18(1-3):57-67. Tuberkuloza. 1966. PMID: 16296068 Croatian. No abstract available.