Introduction: The severity of Coronavirus disease 2019 (COVID-19) caused by the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) is often dictated by a range of comorbidities. A ...

1 College of Animal Science and Technology, Yunnan Agricultural University, Kunming, Yunnan, China 2 College of Animal Science and Veterinary Medicine, Yunnan Vocational and Technical College of ...

After a week of build-up, The Beatles have released what's been billed as their "final song". Called Now And Then, it's been 45 years in the making - with the first bars written by John Lennon in ...

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