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Zwaans JJM, Raven W, Rosendaal AV, Van Lieshout EMM, Van Woerden G, Patka P, Haagsma JA, Rood PPM.Zwaans JJM, et al. Among authors: patka p.Emerg Med J. 2022 Sep;39(9):650-654. doi: 10.1136/emermed-2021-211540. Epub 2022 Jul 26.Emerg Med J. 2022.PMID: 35882525Clinical Trial.
Ringburg AN, Thomas SH, Steyerberg EW, van Lieshout EM, Patka P, Schipper IB.Ringburg AN, et al. Among authors: patka p.Air Med J. 2009 Nov-Dec;28(6):298-302. doi: 10.1016/j.amj.2009.03.007.Air Med J. 2009.PMID: 19896582Review.