PT - JOURNAL ARTICLE AU - Oscar J Ponce AU - Neri Alvarez-Villalobos AU - Raj Shah AU - Khaled Mohammed AU - Rebecca L Morgan AU - Shahnaz Sultan AU - Yngve Falck-Ytter AU - Larry J Prokop AU - Philipp Dahm AU - Reem A Mustafa AU - Mohammad H Murad TI - What does expert opinion in guidelines mean? a meta-epidemiological study AID - 10.1136/ebmed-2017-110798 DP - 2017 Oct 01 TA - Evidence Based Medicine PG - 164--169 VI - 22 IP - 5 4099 - http://ebm.bmj.com/content/22/5/164.short 4100 - http://ebm.bmj.com/content/22/5/164.full SO - Evid Based Med2017 Oct 01; 22