Sam Gibbs, Douglas G Altman, Ian Harvey, Jane Sterling, Rosemary Stark
Gibbs S, Altman D G, Harvey I, Sterling J, Stark R.
PapersLocal treatments for cutaneous warts: systematic reviewCommentary: Systematic reviewers face challenges from varied study designs
BMJ 2002; 325 :461
doi:10.1136/bmj.325.7362.461