RT Journal Article SR Electronic T1 How predatory journals leak into PubMed JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP E1042 OP E1045 DO 10.1503/cmaj.180154 VO 190 IS 35 A1 Manca, Andrea A1 Moher, David A1 Cugusi, Lucia A1 Dvir, Zeevi A1 Deriu, Franca YR 2018 UL http://www.cmaj.ca/content/190/35/E1042.abstract AB