RT Journal Article SR Electronic T1 Pulmonary function in Parkinson's syndrome: the effect of thalamotomy JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 752 OP 757 VO 99 IS 15 A1 E. S. Lilker A1 C. R. Woolf YR 1968 UL http://www.cmaj.ca/content/99/15/752.abstract