This includes Figure S1 and Tables S1 to S4. Figure S1. Testosterone levels (n = 359) measured in the same radioimmunoassay on fresh serum (X axis) and on serum stored at −20° to −30°C for 14 years in
Introduction A new method for conducting in-vitro release testing (IVRT) was developed by adapting Higuchi’s square root approximation for use with UV-Vis spectrophotometry, and over the counter hydro
