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Ring E, Petritsch P, Riccabona M, Vilits P, Haim-Kutting M, Zobel G, Hubmer G.Ring E, et al. Among authors: vilits p.Klin Padiatr. 1993 May-Jun;205(3):150-2. doi: 10.1055/s-2007-1025217.Klin Padiatr. 1993.PMID: 8350586German.
Ring E, Petritsch P, Riccabona M, Vilits P, Haim-Kuttnig M, Hubmer G.Ring E, et al. Among authors: vilits p.Klin Padiatr. 1992 Sep-Oct;204(5):382-5. doi: 10.1055/s-2007-1025377.Klin Padiatr. 1992.PMID: 1405428German.
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Ring E, Petritsch P, Riccabona M, Haim-Kuttnig M, Vilits P, Rauchenwald M, Fueger G.Ring E, et al. Among authors: vilits p.Eur J Pediatr. 1993 Jun;152(6):523-5. doi: 10.1007/BF01955065.Eur J Pediatr. 1993.PMID: 8335023
Ring E, Mache CJ, Vilits P.Ring E, et al. Among authors: vilits p.Eur J Radiol. 2002 Aug;43(2):94-9. doi: 10.1016/s0720-048x(02)00117-1.Eur J Radiol. 2002.PMID: 12127206Review.