نتایج جستجو برای: bezoars
تعداد نتایج: 348 فیلتر نتایج به سال:
BACKGROUND Bezoars are an uncommon cause of mechanical intestinal occlusion. There are four different kinds of bezoars: phytobezoars, made of vegetables and fibers; trichobezoars, resulting from the ingestion of hair and frequently an expression of psychiatric disorders; lactobezoars, which are formed of milk curd; and pharmacobezoars, caused by drugs and medications. Symptoms are classically i...
The coronavirus disease-2019 (COVID-19) is primarily a disease of the respiratory system and manifested by an infectious pneumonia, with fever, cough breathlessness as most common presenting symptoms.
Children have chewed gum since the Stone Age. Black lumps of prehistoric tar with human tooth impressions have been found in Northern Europe dating from approximately 7000 BC (Middle Stone Age) to 2000 BC (Bronze Age). The bite impressions suggest that most chewers were between 6 and 15 years of age. The Greeks chewed resin from the mastic tree (mastic gum). North American Indians chewed spruce...
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