RT Journal Article SR Electronic T1 Improved cell-purification techniques and safety monitoring needed for olfactory ensheathing cell transplantation JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP E1199 OP E1199 DO 10.1503/cmaj.73255 VO 191 IS 43 A1 Richard D. Bartlett A1 James B. Phillips A1 David Choi YR 2019 UL http://www.cmaj.ca/content/191/43/E1199.abstract