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Wong, C K., S W M. Lun, F W S. Ko, W K. Ip, D S C. Hui, and C W K. Lam. Increased Expression of Plasma and Cell Surface Co-stimulatory Molecules CTLA-4, CD28 and CD86 in Adult Patients With Allergic Asthma. Blackwell Science Inc, 2005.

Wong, C K., et al. Increased Expression of Plasma and Cell Surface Co-stimulatory Molecules CTLA-4, CD28 and CD86 in Adult Patients With Allergic Asthma. Blackwell Science Inc, 2005.