Successful identification of pathogens by polymerase chain reaction (PCR)-based electron spray ionization time-of-flight mass spectrometry (ESI-TOF-MS) in culture-negative periprosthetic joint infection - Jacovides, C L; Kreft, R; Adeli, B; Hozack, B; Ehrlich, G D; Parvizi, J (J Bone Joint Surg Am, 2012)