다른 단위 용량 형태 들 이 당업자 에 의해 고안 될 수 있 다 ( Ansel and Popovich , Pharmaceutical Dosage Forms and Drug Delivery Systems , 5 th Edition ( Lea & Febiger 1990 ) , Gennaro ( ed . ) , Remington ' s Pharmaceutical Sciences , 19 th Edition ( Mack Publishing Company 1995 ) , and by Ranade and Hollinger , Drug Delivery Systems ( CRC Press 1996 ) ) .