Which pharmaceutical company pioneered the strategy of color-coding their cardiovascular medications by drug class, creating a visual 'family branding' system that became an industry standard?

Test your knowledge of pharmaceutical branding and marketing strategies! The healthcare industry spends billions annually on building recognizable brands and effective marketing campaigns. Many pharmaceutical companies develop distinctive logos, slogans, and visual identities to stand out in a competitive market. This poll challenges you to identify a unique marketing approach used by a major pharmaceutical company to increase brand recognition among healthcare providers.

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Pfizer with their 'Blue Diamond' system
AstraZeneca with their 'Color Spectrum' approach
Novartis with their 'Rainbow Protocol'
Merck with their 'Chromatic Classification' method