Fig. 1
Flow diagram of the population selection process. (ICD-9, International Statistical Classification of Diseases and Related Health Problems 9th revision; IAI, intra-abdominal infection)
Fig. 1 | BMC Infectious Diseases
Flow diagram of the population selection process. (ICD-9, International Statistical Classification of Diseases and Related Health Problems 9th revision; IAI, intra-abdominal infection)