Which groundbreaking pharmaceutical advertising campaign featured doctors saying "It works!" and helped change medical practice by introducing the first widely-used antibiotic?

In the world of scientific innovation, breakthrough discoveries often need powerful marketing to reach the public and gain acceptance. Some advertising campaigns have dramatically altered how quickly scientific advancements were adopted in healthcare. This trivia question examines one of the most influential scientific product marketing campaigns that transformed medical practice worldwide.

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Merck's 1944 penicillin campaign, which transformed it from a wartime medicine to civilian miracle cure
Pfizer's 1950 'Terramycin: The Broad Spectrum Antibiotic' campaign that introduced the concept of spectrum coverage
Alexander Fleming's 1928 'Mold Juice' presentations, considered the first scientific product launch
Bayer's 1935 Prontosil campaign, which introduced sulfonamides as the first effective antibacterial drugs for systemic infections