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Greil I, Wagner K, Eber E, Zach M, Rosenkranz W.Greil I, et al. Among authors: zach m.Wien Klin Wochenschr. 1995;107(15):464-9.Wien Klin Wochenschr. 1995.PMID: 7545856
Ring E, Eber E, Erwa W, Zach MS.Ring E, et al. Among authors: zach ms.Arch Dis Child. 1998 Jun;78(6):540-3. doi: 10.1136/adc.78.6.540.Arch Dis Child. 1998.PMID: 9713010Free PMC article.
Eber E, Oberwaldner B, Zach MS.Eber E, et al. Among authors: zach ms.Pediatr Pulmonol. 1988;4(4):205-12. doi: 10.1002/ppul.1950040404.Pediatr Pulmonol. 1988.PMID: 3393384