RT Journal Article SR Electronic T1 Osteopoikilosis in the knee JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 461 OP 461 DO 10.1503/cmaj.081519 VO 183 IS 4 A1 Emilio Manuel Padín-Paz A1 José Antonio Díaz-Peromingo YR 2011 UL http://www.cmaj.ca/content/183/4/461.abstract