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 Ricardo Ruiz-Villaverde A1 Manuel Galán-Gutierrez YR 2013 UL http://www.cmaj.ca/content/185/9/E425.abstract