Four annular structures in a protostellar disk less than 500,000 years old
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چکیده
منابع مشابه
Prevalence of Mold Allergy in Asthmatic Patients of Less than 18 Years Old in Semnan
Background & Aims: Asthma is a chronic inflammatory disease of the airways which is associated with the triad of cough, wheezing and dyspnea. Allergic asthma is often associated with a personal or family history of allergic diseases and mostly begins at early childhood. Mold is one of the most common irritants of asthma and allergic rhinitis. In the last 20 years there has been 30% increase in ...
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ژورنال
عنوان ژورنال: Nature
سال: 2020
ISSN: 0028-0836,1476-4687
DOI: 10.1038/s41586-020-2779-6