Sizable market: New percutaneous patches have only emerged within the last decade or so. In 1980 the first motion sickness drug was for aviation sickness but was not easily taken as an oral medicine.
市場可觀「經皮吸收貼劑」的出現其實也是近十多年來的事，一九八○年首先研發成功的克暈藥，主要是提供給易暈機，卻又不方便服用口服克暈藥的太空人使用。