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APA Citation
Califano, S., Calo, W. A., Weinberger, M., Gilkey, M. B., & Brewer, N. T. (2016). physician support of HPV vaccination school-entry requirements. Human vaccines & immunotherapeutics, 12(6), 1626–1632. http://access.bl.uk/ark:/81055/vdc_100033975915.0x00004b