00714nas a2200253   4500000000100000000000100001008004100002100002400043700002100067700001700088700001300105700001300118700001700131700001600148700001300164700002000177700001200197700002200209700002200231245017400253300001200427490000700439022001400446       2018                            d1 aM. Cainzos-Achirica1 aC. Varas-Lorenzo1 aA. Pottegard1 aJ. Asmar1 aE. Plana1 aL. Rasmussen1 aG. Bizouard1 aJ. Forns1 aM. Hellfritzsch1 aK. Zint1 aS. Perez-Gutthann1 aM. Pladevall-Vila00aMethodological challenges when evaluating potential off-label prescribing of drugs using electronic health care databases: A case study of dabigatran etexilate in Europe  a713-7230 v27  a1053-8569