Which packaging innovation first introduced the calendar-based blister pack for oral contraceptives that revolutionized medication adherence tracking?

Medical product packaging isn't just about protection and compliance - it's an integral part of patient safety and medication adherence. The pharmaceutical industry has developed numerous innovative packaging solutions to address challenges like child safety, elderly accessibility, medication tracking, and proper dosing. Test your knowledge about a breakthrough packaging innovation that revolutionized how certain medications are delivered and monitored.

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Searle's Enovid Dial Pack (1962)
Pfizer's Compliance Pack (1967)
Ortho Pharmaceutical's Dialpak (1970)
Syntex's MemoPill System (1965)