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Dive into the research topics where N. W. Johnson is active.

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Featured researches published by N. W. Johnson.


The Lancet | 1997

Copper content in Areca catechu (betel nut) products and oral submucous fibrosis

Chetan Trivedy; Dianne Baldwin; Saman Warnakulasuriya; N. W. Johnson; Timothy Peters

1 World Health Organization. Control of oral cancer in developing countries. Bull World Health Organ 1984; 62: 817–30. 2 Maher R, Lee AJ, Warnakulasuriya KAAS, Lewis JA, Johnson NW. Role of areca nut in the causation of oral submucous fibrosis: a casecontrol study in Pakistan. J Oral Pathol Med 1994; 23: 65–69. 3 Ma RH, Tsai CC, Shieh TY. Increased lysyl oxidase activity in fibroblasts cultured from oral submucous fibrosis associated with betel nut chewing in Taiwan. J Oral Pathol Med 1995; 24: 407–12. 4 Holland B, Welch AA, Unwin ID, Buss DH, Paul AA, Southgate DAT. McCance and Widdowson’s The Composition of Foods. Fifth Ed. London: The Royal Society of Chemistry and MAFF, 1992: 313–22. 5 Holden JM, Wolf WR, Mertz W. Zinc and copper in self selected diets. J Am Diet Assoc 1979; 75: 23–28.


Journal of Oral Pathology & Medicine | 1994

Role of areca nut in the causation of oral submucous fibrosis : a case-control study in Pakistan

R. Maher; A. J. Lee; K. A. A. S. Warnakulasuriya; J. A. Lewis; N. W. Johnson


Journal of Oral Pathology & Medicine | 2007

Potential applications of anti-keratin antibodies in oral diagnosis

P. R. Morgan; P. J. Shirlaw; N. W. Johnson; Irene M. Leigh; E. B. Lane


Journal of Oral Pathology & Medicine | 2000

Raised tissue copper levels in oral submucous fibrosis

Chetan Trivedy; Kasturi Warnakulasuriya; Timothy J. Peters; R Senkus; Vinay Hazarey; N. W. Johnson


Journal of Oral Pathology & Medicine | 2007

p53 expression in oral precancer as a marker for malignant potential

P. R. Murti; K. A. A. S. Warnakulasuriya; N. W. Johnson; R. B. Bhonsle; Prakash C. Gupta; D. K. Daftary; F. S. Mehta


Journal of Oral Pathology & Medicine | 1994

Association of overexpression of p53 oncoprotein with the state of cell proliferation in oral carcinoma

K. A. A. S. Warnakulasuriya; N. W. Johnson


Journal of Oral Pathology & Medicine | 1996

Toombak‐associated oral mucosal lesions in Sudanese show a low prevalence of epithelial dysplasia

Ali M. Idris; K. A. A. S. Warnakulasuriya; Y. E. Ibrahim; R. Nielsen; D.J. Cooper; N. W. Johnson


Journal of Oral Pathology & Medicine | 1993

Nucleolar organiser region (NOR) distribution as a diagnostic marker in oral keratosis, dysplasia and squamous cell carcinoma

K. A. A. S. Warnakulasuriya; N. W. Johnson


Journal of Oral Pathology & Medicine | 1992

Point mutations in the Ha-ras oncogene are detectable in formalin-fixed tissues of oral squamous cell carcinomas, but are infrequent in British cases.

K. A. A. S. Warnakulasuriya; S. E. Chang; N. W. Johnson


Oral Microbiology and Immunology | 1989

Intra-oral colonization of macaque monkeys by Actinobacillus actinomycetemcomitans.

David Beighton; Norton S. Taichman; David L. Simpson; Joseph M. DiRienzo; N. W. Johnson

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K. A. A. S. Warnakulasuriya

Royal College of Surgeons in Ireland

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Chetan Trivedy

Royal College of Surgeons in Ireland

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Pedro Diz

University of Santiago de Compostela

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David Beighton

Royal College of Surgeons in Ireland

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Dianne Baldwin

Royal College of Surgeons in Ireland

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P. J. Shirlaw

Royal College of Surgeons in Ireland

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P. R. Morgan

Royal College of Surgeons in Ireland

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S. E. Chang

Royal College of Surgeons in Ireland

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