The utility of the PCR method to study aacA gene heterogeneity in Serratia marcescens36656, Vanhoof, R., Nulens E., Nyssen H.J., and Hannecart-Pokorni E. , J.Antimicrob.Chemother., 0/10/1994, Volume 34, Issue 4, Number 596, p.595 - 596, (1994)