RT Journal Article SR Electronic T1 Menstruations douloureuses chez les adolescentes JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP E1114 OP E1115 DO 10.1503/cmaj.201972-f VO 193 IS 28 A1 Olga Kciuk A1 Sari Kives YR 2021 UL http://www.cmaj.ca/content/193/28/E1114.abstract