{Reference Type}: Letter {Title}: Tacrolimus Level Increase During Nirmatrelvir-Ritonavir Treatment. {Author}: Gong Y;Li Y;Xue L;Gao J; {Journal}: Am J Ther {Volume}: 31 {Issue}: 4 {Year}: 2024 Jul-Aug 1 {Factor}: 3.098 {DOI}: 10.1097/MJT.0000000000001668