Overgaard, SøRen, Niels O B Thomsen, Barbara Kulinski, and Niels B Mossing. 1993. “Closed Suction Drainage After Hip Arthroplasty: Prospective Study of Bacterial Contamination in 81 Cases”. Acta Orthopaedica 64 (4):417-20. https://doi.org/10.3109/17453679308993657.