RT Journal Article SR Electronic T1 The Importance of Pharmaceuticals in the Health Services in the 21st Century JF PDA Journal of Pharmaceutical Science and Technology JO PDA J Pharm Sci Technol FD Parenteral Drug Association (PDA) SP 145 OP 148 VO 51 IS 4 A1 Fernando S. Antezana YR 1997 UL http://journal.pda.org/content/51/4/145.abstract AB