Authors: Eric P Baron; Shira Y Markowitz; Alyssa Lettich; Eric Hastriter; Brigitte Lovell; Kavita Kalidas; David William Dodick; Todd J Schwedt Journal: Headache Date: 2014-02-12 Impact factor: 5.887
Authors: Richard B Lipton; Steven R Hahn; Roger K Cady; Jan Lewis Brandes; Suzanne E Simons; Philip A Bain; Meaghan R Nelson Journal: J Gen Intern Med Date: 2008-05-06 Impact factor: 5.128