1. Amin, Shereyasee, Joyce Goggins, Jingbo Niu, Ali Guermazi, Mikayel Grigoryan, David J. Hunter, Harry K. Genant, and David T. Felson 2008 Occupation-Related Squatting, Kneeling, and Heavy Lifting and the Knee Joint: A Magnetic Resonance Imaging-Based Study in Men. Journal of Rheumatology 35(8):1645–1649.
2. Bogin, Barry 1999 Patterns of Human Growth. Cambridge University Press, Cambridge, Uk.
3. Brooks, Chuck 1979 Skeleton Find Puzzles State Archaeologists. Mississippi Press 16 February:1A,10A. Pascagoula.
4. Buikstra, Jane E., and Douglas H. Ubelaker 1994 Standards for Data Collection from Human Skeletal Remains. ArkansasArchaeological Survey, Research Series 44. Fayetteville.
5. Centers for Disease Control 2015a Parasites—Amoebiasis. Centers for Disease Control >
http://www.cdc.gov
/parasites/amebiasis<. Accessed 10 May 2015.