Proceedings: Serum amylase and related enzymes in diabetic ketoacidosis.

survey. Seventy-three of the organisms were urinary-tract isolates, 14 respiratory tract isolates, and 27 were isolated from other sites. Two-thirds of the 97 patients studied in detail had been in hospital for more than seven days and three-quarters had been on antibiotic therapy before Serratia marcescens was first isolated. Details of antibiotics used before the first isolation of Serratia marcescens, and of the in vitro antibiotic susceptibility of the Serratia marcescens isolates would be presented.