How to cite: Richardson D, Siddiqi A, Parashar K, Fitzpatrick C, Pinto-Sander N, Goldmeier D. A Pilot Study Evaluating Antimicrobial Antagonism in Syphilis/Chlamydia trachomatis Co-Infection in Men Who Have Sex with Men. Eur J Ther 2021; 27(4): 327-328.