%0 Journal Article %T The Area method: a new method for ultrasound assessment of diaphragmatic movement %A Anders L£¿kke %A Christian B. Laursen %A S£¿ren Helbo Skaarup %J Archive of "The Ultrasound Journal". %D 2018 %R 10.1186/s13089-018-0092-5 %U https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6019663/