Cumulative live birth rates after one or more complete cycles of IVF : a population-based study of linked cycle data from 178 898 women

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Differences in the prevalence of ankylosing spondylitis in primary and secondary care : only one-third of patients are managed in rheumatology

Funding: No specific funding was received from any bodies in the public, commercial or not-for-profit sectors to carry out the work described in this article. Disclosure statement: G.T.J. and G.J.M. have received research funding from Pfizer and AbbVie. L.E.D. conducted the analysis while funded by an Medical Research Council PhD studentship