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Clarke, J S., R E. Condon, J G. Bartlett, S L. Gorbach, R L. Nichols, and S. Ochi. Preoperative Oral Antibiotics Reduce Septic Complications of Colon Operations: Results of Prospective, Randomized, Double-blind Clinical Study. 1977.

Clarke, J S., et al. Preoperative Oral Antibiotics Reduce Septic Complications of Colon Operations: Results of Prospective, Randomized, Double-blind Clinical Study. 1977.