Tan, G. H.; Kuk, C.; Zlotta, A. R. Are There Differences Among Bacillus Calmette-Guérin (BCG) Strains Regarding Their Clinical Efficacy in the Treatment of Non-Muscle-Invasive Bladder Cancer? The Jury Is Still Out But the Answer Is Likely No. CUAJ 2019, 14, E54-6.