Ole Andreas Alsos Benjamin Dabelow A comparative evaluation study of basic interaction techniques for PDAs in point-of-care situations. 1-8 2010 PervasiveHealth https://doi.org/10.4108/ICST.PERVASIVEHEALTH2010.8835 https://ieeexplore.ieee.org/document/5482291/ conf/ph/2010 db/conf/ph/ph2010.html#AlsosD10