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APA Citation
Buchacz, K., Armon, C., Palella, F. J., Baker, R. K., Tedaldi, E., Durham, M. D., & Brooks, J. T. (2012). cD4 Cell Counts at HIV Diagnosis among HIV Outpatient Study Participants, 2000–2009. AIDS research and treatment, 2012, . http://access.bl.uk/ark:/81055/vdc_100082261139.0x000025