RT Journal Article SR Electronic T1 Quinine and leg cramps JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 757 OP 757 DO 10.1503/cmaj.1150039 VO 187 IS 10 A1 Hans D. Katzberg A1 Ari Breiner YR 2015 UL http://www.cmaj.ca/content/187/10/757.1.abstract