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Akgul H, Otterbach F, Bornfeld N, Jurklies B. Intraocular biopsy using special forceps: a new instrument and refined surgical technique. Br J Ophthalmol. 2011 Jan;95(1):79-82.

Kuhlmann JD, Schwarzenbach H, Otterbach F, Heubner M, Wimberger P, Worm KH, Kimmig R, Kasimir-Bauer S. Loss of heterozygosity proximal to the M6P/IGF2R locus is predictive for the presence of disseminated tumor cells in the bone marrow of ovarian cancer patients before and after chemotherapy. Genes Chromosomes Cancer. 2011 Aug;50(8):598-605.