Patent Foramen Ovale Closure Devices
JAMA 294:366-369, Maisel,W.H.&Laskey,W.K., 2005
Pituitary Surgery for Acromegaly, Should be Done by Specialists
BMJ 319:588-589, Clayton,R.N.,et al, 1999
Unilateral Pallidotomy for Parkinson's Disease:Results after More Than 1 Year
JNNP 67:511-517, Schrag,A.,et al, 1999