Year: 2008Publication Type: Journal Article - Multi-AuthorJournal Volume: 29Page Range: 583-591Article/Chapter Title: Weaning age, infant care, and behavioral development in Trachypithecus leucocephalusJournal Name: International Journal of PrimatologyAuthor Name/Init: Author Surname: ZhaoAuthor Initials: Q. Author Surname: TanAuthor Initials: C.L. Author Surname: PanAuthor Initials: W.