TY - BOOK AU - Ansel, Howard C. AU - Allen,Lloyd V. AU - Poporich,Nicholas G. TI - Pharmaceutical dosage forms and drug delivery systems SN - 0781728274 U1 - 615.6 PY - 1999////2000 CY - Philadeplphia PB - Lippincott Williams and Wilkins, KW - Drug delivery systems N1 - Includes index ER -