RT Journal Article SR Electronic T1 Depression, Parkinson disease, Alzheimer disease. The homocysteine hypothesis JF Neurosciences Journal JO Neurosciences (Riyadh) FD Prince Sultan Military Medical City SP 211 OP 213 VO 15 IS 3 A1 Rubo Sui A1 Lei Zhang YR 2010 UL http://nsj.org.sa/content/15/3/211.abstract AB