Ephedrine as add-on therapy for patients with myasthenia gravis: protocol for a series of randomised, placebo-controlled n-of-1 trials.
Charlotte VrintenAlexander F LipkaErik W van ZwetKirsten J M SchimmelMartina C CornelMarja R KuijpersYechiel A HeksterStephanie S WeinreichJan J G M VerschuurenPublished in: BMJ open (2015)
This study is registered under EudraCT number 2014-001355-23, protocol no. 40960, V.1.0, registration date 27 March 2014.