 | 1915 - 778 pages
...sharply circumscribed, and usually disappears in from three to four days. It is characterized by a central area of redness of varying size, surrounded by a secondary areola. On fading, it leaves only a faintly pigmented area, which soon becomes invisible. As already stated,... | |
 | 1916 - 678 pages
...sharply circumscribed, and usually disappears in from three to four days. It is characterized by a central area of redness of varying size surrounded by a secondary areola. On fading it leaves only a faintly pigmented area, which soon becomes invisible. The outfit for the... | |
 | 1921 - 934 pages
...a small proportion of cases a pseudoreaction is manifest. 3. The pseudoreaction shows an indefinite area of redness of varying size, surrounded by a secondary areola, which shades into the surrounding skin. The pseudoreaction appears earlier than the positive reaction, in from six... | |
 | 1917 - 346 pages
...same size and appearance, and pass through the same clinical course as the original reaction ; eq, the two reactions showing a similar central area of...defined area of pigmentation and generally no scaling. becomes manifest in the original test at the end of three to four days, when the pseudo-element of... | |
 | Ferdinand Eugene Daniel - 1921 - 562 pages
...a small proportion of cases a pseudoreaction is manifest. 3. The pseudoreaction shows an indefinite area of redness of varying size, surrounded by a secondary areola, which shades into the surrounding skin. The pseudoreaction appears earlier than the positive reaction, in from six... | |
 | New York (N.Y.). Department of Health - 1915 - 472 pages
...sharply circumscribed, and usually disappears in from three to four days. It is characterized by a central area of redness of varying size, surrounded by a secondary areola. On fading, it leaves only a faintly pigmented area, which soon becomes invisible. As already stated,... | |
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The pseudo reaction can generally be distinguished clinically from the true action; it appears earlier, is less sharply circumscribed, and usually disappears in from three to four days. It is characterized by a central area of redness of varying size,... 