Over millions of years, these protective mechanisms became sophisticated enough to extend their benefits throughout the entire organism
Therefore, the fraction of drug that survives the first pass through the liver is simply (1 - E)
Psychiatry 2:e134
Your medication expires at the 90-day BUD mark, giving you only 20 days of use after opening, not 28
Acknowledgements This work was supported by grants from the National multidisciplinary collaborative diagnosis and treatment capacity building project for major diseases (TJZ202104), the Natural Science Foundation of China (82270643, 82070644, 82170621 and 82370645), the Science and Technology Major Program of Sichuan Province (2022ZDZX0019), the Sichuan Science and Technology Program (2024NSFSC0645), 1.3.5 project for disciplines of excellence, West China Hospital, Sichuan University (ZYJC18008, ZYGD22006)