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ceph•a•lex•in



Pronunciation: (sef"u-lek'sin), [key]
n. Pharm.
an oral, antimicrobial drug, C16H7N3O4S, used in treating minor respiratory and urinary tract infections and as a backup or alternative to penicillin treatment.

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

cephalatecephalic
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