| herald bleeding |
Spontaneous hemorrhage from the gastrointestinal tract in a patient with an aortic bypass graft. The hemorrhage typically stops suddenly, only to recur massively days or weeks later. Many practitioners believe that this type of h
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| herald p. |
the solitary lesion that precedes the general eruption in pityriasis rosea.
출처: www.mercksource.com/pp/us/cns/cns_health_library.j...
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