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. 2009 Apr 14;100(8):1287–1291. doi: 10.1038/sj.bjc.6605022

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Copyright © 2009 Cancer Research UK

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Measurement of extra-cellular pH in P388 murine monocytic leukaemia tumours and normal tissues in DBA/2 mice. Extra-cellular pH measurements of established (11-day-old) subcutaneous tumours and the subcutaneous tissues of the posterior neck were obtained using a micro-electrode. Mice had received PBS or cyclophosphamide (Cy) 2 days previously (n=24 each group).