AUTHOR=Ma Jiaojiao , Chen Dan , Yi Fangfang , Song Jie , Luo Sushan , Zhong Huahua , Xi Jianying , Wu Zongtai , Li Zunbo , Zhao Chongbo TITLE=Optimal time for the addition of non-corticosteroid immunosuppressants in myasthenia gravis: a single-center retrospective study in China JOURNAL=Frontiers in Neurology VOLUME=15 YEAR=2024 URL=https://www.frontiersin.org/journals/neurology/articles/10.3389/fneur.2024.1474508 DOI=10.3389/fneur.2024.1474508 ISSN=1664-2295