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[Semisynthetic penicillins. 13. Comparative studies of antibacterial action in vitro of 6-(N,N-1',6'-hexylenformamidino)-penicillanic acid and(D- (D-(minus) alpha-aminobenzyl)-penicillanic acid against clinical pathogenic gram negative strains].
Jastalska D, Dzierzyńska I, Buśko-Oszczapowicz I, Cieślak J. Jastalska D, et al. Among authors: dzierzynska i. Acta Pol Pharm. 1974;31(3):393-400. Acta Pol Pharm. 1974. PMID: 4368251 Polish. No abstract available.