Fig. 1From: HNA-3a and HNA-3b antigens among 9 ethnic populations and the Han population in Southwest ChinaThe locations of the populations in Southwest China. Blood samples came from 9 ethnicities of the minority population groups in Yunnan province. Additional blood samples from the Yi ethnicity in Sichuan and the majority population group of Han ethnicity in Yunnan and Sichuan were collected for comparisonBack to article page