RT Journal Article SR Electronic T1 A simple home-made self-retaining retractor for thyroidectomy JF Canadian Journal of Surgery JO CAN J SURG FD Canadian Medical Association SP 523 OP 524 VO 52 IS 6 A1 Tam-Lin Chow A1 Tony Chan A1 Siu-King Law A1 Siu-Ho Lam YR 2009 UL http://canjsurg.ca/content/52/6/523.abstract