1. PW. Allen, Tumours and Proliferations of Adipose Tissue. A Clinicopathologic Approach . New York: Masson, 1981 ; 37 -39 .
2. Lipoma of lip with cartilage formation
3. FM Enzinger, R Lattes, and H. Torloni, Histological Typing of Soft Tissue Tumours . Geneva: WHO, 1969 ; 38 .
4. Lipoma of the oral cavity