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APA Citation
Pease, A. M., Krumholz, H. M., Downing, N. S., Aminawung, J. A., Shah, N. D., & Ross, J. S. (2017). postapproval studies of drugs initially approved by the FDA on the basis of limited evidence: systematic review. BMJ, 357, . http://access.bl.uk/ark:/81055/vdc_100144728809.0x00001e