Synovial absolute polymorphonuclear neutrophil cell count: A simple and inexpensive marker for diagnosing periprosthetic hip and knee joint infections. - Sebastian, Sujeesh; Mitterer, Jennyfer A.; Ahmed, Youssef; Frank, Bernhard J. H.; Simon, Sebastian; Hofstaetter, Jochen G. (Knee Surgery, Sports Traumatology, Arthroscopy, 2025)