Nordsmark, Marianne, Søren M. Bentzen, and Jens Overgaard. “Measurement of Human Tumour Oxygenation Status by a Polarographic Needle Electrode: An Analysis of Inter- and Intratumour Heterogeneity”. Acta Oncologica 33, no. 4 (January 1, 1994): 383–389. Accessed February 26, 2025. https://medicaljournalssweden.se/actaoncologica/article/view/30660.