RT Journal Article SR Electronic T1 Hair casts (pseudonits) JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP E425 OP E425 DO 10.1503/cmaj.120894 VO 185 IS 9 A1 Ruiz-Villaverde, Ricardo A1 Galán-Gutierrez, Manuel YR 2013 UL http://www.cmaj.ca/content/185/9/E425.abstract