Comments on D.A. Noe's papers on noncompartmental pharmacokinetic analysis: Performance characteristics of the adjusted r algorithm for determining the start of the terminal disposition phase and comparison with a simple r algorithm and a visual inspection method https://onlinelibrary.wiley.com/doi/10.1002/pst.1979 and Criteria for reporting noncompartmental estimates of half-life and area under the curve extrapolated to infinity https://onlinelibrary.wiley.com/doi/10.1002/pst.1978.