Correlation Between Platelet Aggregation Test With Maximum Amplitude Of Thromboelastography (Ma-Teg) Parameters In Covid-19 Patients At Rsu Dr. Soetomo Surabaya In Assessing The Function Of Platelet. Journal of Pharmaceutical Negative Results. Published online June 6, 2023:25-31. doi:10.47750/pnr.2023.14.04.05