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- W21031824171 hasURL "https://doi.org/10.1136/bmj.2.5455.201" @default.
- W21031824171 type Location @default.
- W21031824171 hasSource S192814187 @default.
- W21031824171 hasVersion "publishedVersion" @default.
- W21031824171 isOa "true" @default.
- W21031824171 pdfUrl "https://www.bmj.com/content/bmj/2/5455/201.full.pdf" @default.