%0 Journal Article %T Solving the mystery of the yellow zone of the asthma action plan %A Alan Kaplan %A Samir Gupta %J Archive of "NPJ Primary Care Respiratory Medicine". %D 2018 %R 10.1038/s41533-017-0067-1 %X Publisher's note: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations %U https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5765154/