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3. Fluorimetric determination of cephalexin in urine;Aikawa;Chemical and Pharmaceutical Bulletin,1976
4. Two-hour assay for content of penicillins and cephalosporins in serum;Benner;Antimicrobial Agents and Chemotherapy,1971
5. HPLC analysis of cephradine in human serum and urine;Clarke;Journal of Clinical and Hospital Pharmacy,1983