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APA Citation
Mercer, C. H., Jones, K. G., Johnson, A. M., Lewis, R., Mitchell, K. R., Gravningen, K., Clifton, S., Tanton, C., Sonnenberg, P., Wellings, K., Cassell, J. A., & Estcourt, C. S. (2017). how can we objectively categorise partnership type? A novel classification of population survey data to inform epidemiological research and clinical practice. Sexually transmitted infections, 93, 129–136. http://access.bl.uk/ark:/81055/vdc_100135558203.0x00001c