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Journal articleSPANU P, FELIX G, BOLLER T, 1990,
Journal articleARST HN, TOLLERVEY D, DOWZER CEA, et al., 1990,
Journal articleKUDLA B, CADDICK MX, LANGDON T, et al., 1990,
Conference paperSPANU P, BONFANTEFASOLO P, BOLLER T, 1990,
Journal articlede Klerk NH, Musk AW, James A, et al., 1990,
Comparison of chest radiograph reading methods for assessing progress of pneumoconiosis over 10 years in Wittenoom crocidolite workers., Br J Ind Med, Vol: 47, Pages: 127-131, ISSN: 0007-1072
Thirty three pairs of chest radiographs taken up to 10 years apart were obtained for 33 subjects suffering from asbestosis who had applied for compensation to the Pneumoconiosis Medical Board of Western Australia. Multiple films from the period before the first radiograph in each pair, from the intervening period between the two, and from the period subsequent to the second radiograph were also available and all films were read by two independent readers according to the 1980 ILO classification of pneumoconiosis. Films were read twice as side by side pairs ten years apart, twice as two separate randomly ordered films ten years apart, and once as part of the full series of all available chest radiographs on each subject to assess which method provided the best consistency (between reader variation) and repeatability (within reader variation). Judging by consistency, the full series method performed as well as either of the other methods when assessing radiographic changes and significantly better when assessing the level of profusion of small opacities. There was little to choose between the other two methods either judging by consistency or repeatability, which could not be estimated for the full series method. Use of all available films for a subject is recommended for assessing single films, as in a prevalence study, as well as for documenting change in a longitudinal study.
Journal articleRossi A, Arst HN, 1990,
Mutants of Aspergillus nidulans able to grow at extremely acidic pH acidify the medium less than wild type when grown at more moderate pH., FEMS Microbiol Lett, Vol: 54, Pages: 51-53, ISSN: 0378-1097
Mutations conferring the ability to grow on extremely acidic media have been selected in the fungus Aspergillus nidulans and map to at least four genes. The mutations fall into two classes: those that confer acid resistance in media of both high and low buffering capacity and those that confer resistance only in media of low buffering capacity. In growth media of more moderate pH mutations of both classes result in reduced acidification of the medium.
Journal articleROSSI A, ARST HN, 1990,
MUTANTS OF ASPERGILLUS-NIDULANS ABLE TO GROW AT EXTREMELY ACIDIC PH ACIDIFY THE MEDIUM LESS THAN WILD-TYPE WHEN GROWN AT MORE MODERATE PH, FEMS MICROBIOLOGY LETTERS, Vol: 66, Pages: 51-53, ISSN: 0378-1097
Book chapterArst HN, 1990,
Wide domain regulation of gene expression in Aspergillus nidulans with special attention to the role of the meaB gene, 6th International Symposium on Genetics of Industrial Microorganisms (GIM 90) Proceedings, Editors: Heslot, Davies, Florent, Bobichon, Durand, Penasse, Paris, Publisher: Societe Francaise de Microbiologie, Pages: 555-556
Journal articleARST HN, KUDLA B, MARTINEZROSSI N, et al., 1989,
Journal articleSPANU P, BOLLER T, 1989,
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