Duriyaprapan, ...., Erjongmanee, ...., Kittiphichai, ...., ​Sengkhampha​, ...., & Tuboonmar, .... 2022 Jun 30. Effectiveness of the CoronaVac Vaccine on Symptomatic COVID-19 Infection, Severe Disease, ICU/semi-ICU Admission, and Mortality in Samut Sakhon Province: a Test-Negative Case-Control Study. OSIR Journal. [Online] 15:2