The publication "pH Dependence of T2 for Hyperpolarizable 13C-Labelled Small Molecules Enables Spatially Resolved pH Measurement by Magnetic Resonance Imaging" by 
Martin Grashei, Christian Hundshammer, Frits H. A. van Heijster, Geoffrey J. Topping and Franz Schilling was choosen as the cover story of Pharmaceuticals, Volume 14, Issue 4 (April 2021) – 98 articles.
