Lu, Shuying 盧淑櫻, Muru yu niunai: Jindai Zhongguo muqin juese de chongsu (1895–1937) 母乳與牛奶：近代中國母親角色的重塑 (1895–1937) (Breast milk and cow’s milk: The role of and reconfiguration of modern Chinese motherhood, 1895–1937)