Examples of different patterns in price comparisons. Examples of different patterns in price comparisons. Simvastatin, 10 mg; allopurinol, 300 mg; metoclopramide, 10 mg; warfarin, 1 mg; clomifene, 50 mg; valganciclovir, 450 mg; mercaptopurine, 50 mg; linezolid, 600 mg; levofloxacin, 250 mg. Andrew M Hill et al. BMJ Glob Health 2018;3:e000571 © Article author(s) (or their employer(s) unless otherwise stated in the text of the article) 2018. All rights reserved. No commercial use is permitted unless otherwise expressly granted.