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van den Brekel, Michiel W.M., Laurens C. Reitsma, Jasper J. Quak, Ludi E. Smeele, Johannes C, van der Linden, Gordon B. Snow, ja Jonas A. Castelijns. "Sonographically Guided Aspiration Cytology of Neck Nodes for Selection of Treatment and Follow-up in Patients With N0 Head and Neck Cancer." AJNR Am J Neuroradiol 1999.

van den Brekel, Michiel W.M., et al. "Sonographically Guided Aspiration Cytology of Neck Nodes for Selection of Treatment and Follow-up in Patients With N0 Head and Neck Cancer." AJNR Am J Neuroradiol 1999.