Clinical Key This link opens in a new windowMD Consult Core Collection helps physicians answer clinical questions and stay abreast of recent developments by providing electronic access to 50 respected medical reference books, over 80 medical journals and clinics, MEDLINE, comprehensive drug information, more than 1000 clinical practice guidelines, over 10,000 customizable patient education handouts that patients can take home after an office visit or hospital stay, and online CME.