A. 30 degrees
B. 40 degrees
C. 50 degrees
D. 60 degrees
E. 70 degrees
REFERENCES & ANSWER
Davidson T.M.: Lacerations and Scar Revision, Chapter 23 in Otolaryngology-Head and Neck Surgery (Cummings, Fredrickson, Harker, Krause, Richardson, Schuller, editors), Third Edition, Mosby, Vol. 1, pp. 439-452, 1998
http://emedicine.medscape.com/article/884692-overview161) A 30 degrees
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