Walters, P. ., Schofield, P. ., Howard, L. ., Ashworth, M. ., & Tylee, A. . (2011). The relationship between asthma and depression in primary care patients: a historical cohort and nested case control study. PLoS One. http://doi.org/10.1371/journal.pone.0020750
P. Walters
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P.
Last name
Walters