... to the conception anddesign of the study, served as the Clinical Monitor for the study, participated in the analysis and interpretation of the data, and was involved in the drafting of the manuscript. ... verification, was performed by Chiltern International Spain. Data acquisition and entry into the study database, and analysis and interpretation of data were carried out by Health Outcomes Research Europe. The ... Torres-Marti A, Nava J, Martinez-Pellus A, Palomar M, Bar-cenilla F: Efficacy and tolerability of piperacillin/tazobactamversus ceftazidime in association with amikacin for treatingnosocomial pneumonia...