Two Cases of Alopecia Totalis, Showing the Effect of Ultra-Violet Light
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چکیده
منابع مشابه
[ . the Effect of Monochromatic Ultra - Violet Light upon Vaccine Virus
I t has been known for many years tha t ul tra-violet light is bactericidal. Finsen and Dreyer (1), in 1903, were probably the first to Show tha t light with short wave-lengths is virucidal also. More recent ly (2-7) other reports have appeared dealing with the effects of ul tra-violet irradiation upon bacteria, viruses, and enzymes. For the most par t , however, single wave-lengths have not be...
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Ant-induced Alopecia: Report of two cases
Localized scalp hair loss has different causes which alopecia areata, trichotillomania, tinea capitis and early lupus erythematosus are the most important ones. There are several reports of localized alopecia after tick and flea bites and bee stings, but there is only one report of ant-induced alopecia in the literature. We report herein two cases of alopecia induced by ants of genus Phei...
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cement is an essential ingredient in the concrete buildings. for production of cement considerable amount of fossil fuel and electrical energy is consumed. on the other hand for generating one tone of portland cement, nearly one ton of carbon dioxide is released. it shows that 7 percent of the total released carbon dioxide in the world relates to the cement industry. considering ecological issu...
The Abiotic Action of Ultra-violet Light
Typhoid bacilli are about one two-hundredth as sensitive to ultraviolet light of wave-lengths 2100 to 2800 Angström units as is the photographic plate. This sensitivity then falls off, decreasing rapidly to almost zero sensitivity at about 2970, the beginning of the sun's spectrum.
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ژورنال
عنوان ژورنال: Proceedings of the Royal Society of Medicine
سال: 1931
ISSN: 0035-9157
DOI: 10.1177/003591573102400403