TY - BOOK AU - Deraniyagala,Srianthie.A TI - Cemical and Biochemical Aspaects of Beta-Lactam Antibiotics T2 - Monograph SN - 9559021230 U1 - 615.1 DER PY - 2000/// CY - Colombo PB - Colombo University KW - Beta-Lactam ,Antibiotics,biochemical KW - monograph ER -