Review: the role of vitamin D in nervous system health and disease. by DeLuca, G, Kimball, S, Kolasinski, J, Ramagopalan, S, Ebers, G

Hospital admissions for vitamin D related conditions and subsequent immune-mediated disease: record-linkage studies. by Ramagopalan, S, Goldacre, R, Disanto, G, Giovannoni, G, Goldacre, M

Autoimmune disease preceding amyotrophic lateral sclerosis: an epidemiologic study. by Turner, M, Goldacre, R, Ramagopalan, S, Talbot, K, Goldacre, M

Vitamin D deficiency--do we follow our own advice? by Dobson, R, Meier, U, Marta, M, Ramagopalan, S, Giovannoni, G

Associations between selected immune-mediated diseases and tuberculosis: record-linkage studies. by Ramagopalan, S, Goldacre, R, Skingsley, A, Conlon, C, Goldacre, M

HLA-DRB1*15, low infant sibling exposure, and multiple sclerosis gene-environment interaction. by Ramagopalan, S, Dyment, D, Giovannoni, G, Sadovnick, A, Ebers, G

HLA B*44: protective effects in MS susceptibility and MRI outcome measures. by Chao, M, Lincoln, MR, Dyment, D, Ramagopalan, S, Ebers, G

Sex ratio of infectious mononucleosis and possible relevance to multiple sclerosis. by Ramagopalan, S, Giovannoni, G, Yeates, D, Seagroatt, V, Goldacre, M

Risk of schizophrenia and bipolar disorder in patients with multiple sclerosis: Record-linkage studies by Meier, U-C, Goldacre, R, Ramagopalan, SV, Goldacre, MJ

Estimating the proportion of variation in susceptibility to multiple sclerosis captured by common SNPs by Watson, C, Disanto, G, Breden, F, Giovannoni, G, Ramagopalan, S

Meta-analysis of the relationship between multiple sclerosis and migraine. by Pakpoor, J, Handel, A, Giovannoni, G, Dobson, R, Ramagopalan, S

First in class, best in class or a wild card: who will dominate the anti-obesity medication market? by Emma Collins, Alice Beattie, Sreeram V Ramagopalan, Jonathan Pearson-Stuttard

EU HTA Joint Clinical Assessment: are patients with rare disease going to lose out? by Alejandra Castanon, Rebecca Sloan, Luisamanda Selle Arocha, Sreeram V Ramagopalan

Editorial: Environmental risk factors and inflammation in psychiatric and neurological disease by Ute-Christiane Meier, Ute-Christiane Meier, Sreeram Ramagopalan, Norbert Müller

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COPD exacerbations by disease severity in England by Merinopoulou E, Raluy-Callado M, Ramagopalan S, MacLachlan S, Khalid JM

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For what it’s worth: the complex area of medicine value assessment by Sreeram V Ramagopalan, Catrin Treharne, Jonathan Pearson-Stuttard, Vivek Subbiah

Weekend admissions as an independent predictor of mortality: an analysis of Scottish hospital admissions by Handel, A, Patel, S, Skingsley, A, Bramley, K, Sobieski, R, Ramagopalan, S

Protein-protein interaction analysis highlights additional loci of interest for multiple sclerosis by Ragnedda, G, Disanto, G, Giovannoni, G, Ebers, G, Sotgiu, S, Ramagopalan, S

Risk of fractures in patients with multiple sclerosis: a population-based cohort study. by Dobson, R, Ramagopalan, S, Giovannoni, G, Bazelier, M, de Vries, F

Lack of support for association between the KIF1B rs10492972[C] variant and multiple sclerosis Reply by Hintzen, R, Aulchenko, Y, Ramagopalan, S, Ebers, G, van Duijn, C