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				|  letter: possible causes of covid-19 waves in iran   |  
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				| نویسنده | swann jennifer ,hosseiniara reza |  
				| منبع | journal of preventive and complementary medicine - 2022                                     - دوره : 1          - شماره : 1                    - صفحه:1         -3 |  
			 
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				| کلیدواژه | covid-19 ,sars-cov-2 ,pandemic ,covid-19 waves ,iran |  
				| آدرس | lehigh university, department of biological sciences, usa, al-farabi kazakh national university, faculty of medicine and health care, kazakhstan |  
				| پست الکترونیکی | hosseiniara7@gmail.com |  
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