Publications by authors named "Z Ngangu"

Intending to determine the substances responsible in Strasbourg for allergies to cosmetics, we checked through all our cases from 1973 to 1980. Two main causes of the allergies were determined: Cosmetic cream and skin lotion (31.2% of cases) as well as nail enamel (20.

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This study concerns 465 patients with dermatitis. The clinical history suggested allergy to cosmetics, drugs, industrial products or clothes. These patients were tested with 29 preservatives chosen among the most frequently employed or most sensitising products.

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An enquiry was carried out in Zaire among workers handling different woods. The aim of the investigation was to establish which woods provoke undesirable reactions of the skin and mucous membranes. Besides the well known toxic woods, 6 types of wood were identified, which had not been known to be cause of these reactions: --Autranella congolensis (dermatitis; ocular and respiratory manifestations); --Drypetes gossweileri (dermatitis; ocular and respiratory manifestations); --Ceiba pentandra (essentially pruriginous manifestations); --Diba di Nzambi (common name) and Ficus capensis (bullous dermatitis); --Combretodendron macrocarpum (dermatitis; ocular and respiratory manifestations).

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