Hospital diagnosed pneumonia before age 20 years and multiple sclerosis risk
Kelsi A Smith, Ayako Hiyoshi, Sarah Burkill, Shahram Bahmanyar, Johan Öckinger, Lars Alfredsson, Tomas Olsson, Scott Montgomery
BMJ Neurology Open Jun 2020, 2 (1) e000044; DOI: 10.1136/bmjno-2020-000044