114 citations
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March 2021 in “Scientific Reports” Older age and existing health conditions increase COVID-19 death risk.
August 2020 in “Research Square (Research Square)” Older age and existing health issues increase COVID-19 death risk.
June 2018 in “Korean Journal of Family Practice”
10 citations
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May 2017 in “PLOS ONE” Men and premenopausal women in Korea show different patterns in iron and vitamin D levels, with no clear pattern for postmenopausal women.
Sex hormones likely did not affect COVID-19 outcomes in South Korea.