Return to Article Details Retraction: Li Y, Li D, Ren B, Hu J, Li B, Krzton A, Li M. Determinants of differences in the activity budgets of Rhinopithecus bieti by age/sex class at Xiangguqing in the Baimaxueshan nature reserve, China. Arch Biol Sci. 2015;67(2):675-83. DOI: 10.229 Download Download PDF