Which pharmaceutical product recall is considered the largest in U.S. history, with over 500 million tablets pulled from the market in 2010?

Major pharmaceutical product recalls can significantly impact public health, company reputation, and bottom lines. These events often trigger FDA investigations, stock price fluctuations, and changes in industry practices. How well do you know the history of notable medical product recalls that shaped today's more rigorous safety protocols and quality control standards? Test your knowledge of these industry-defining moments!

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Johnson & Johnson's Children's Tylenol and Motrin
Pfizer's Lipitor cholesterol medication
Merck's Vioxx pain medication
GlaxoSmithKline's Avandia diabetes drug