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APA Citation
Arora, P., Nagelkerke, N., Sgaier, S. K., Kumar, R., Dhingra, N., & Jha, P. (2011). hIV, HSV-2 and syphilis among married couples in India: patterns of discordance and concordance. Sexually transmitted infections, 87(6), 516–520. http://access.bl.uk/ark:/81055/vdc_100135559012.0x000011