RT Journal Article
SR Electronic
T1 Is the WHO analgesic ladder still valid?
JF Canadian Family Physician
JO Can Fam Physician
FD The College of Family Physicians of Canada
SP 514
OP 517
VO 56
IS 6
A1 Grisell Vargas-Schaffer
YR 2010
UL http://www.cfp.ca/content/56/6/514.abstract
AB