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APA Citation
Churchill, D., Allen, J., Pringle, M., Hippisley-Cox, J., Ebdon, D., Macpherson, M., & Bradley, S. (2000). consultation patterns and provision of contraception in general practice before teenage pregnancy: case-control study. BMJ, 321(7259), 486–489. http://access.bl.uk/ark:/81055/vdc_100142946191.0x000047