TY - JOUR T1 - World Medical Research—Principles and Practices JF - Journal of the College of General Practitioners and Research Newsletter JO - J Coll Gen Pract Res Newsl SP - 415 LP - 415 VL - 2 IS - 4 A2 - , Y1 - 1959/11/01 UR - http://bjgp.org/content/2/4/415.1.abstract N2 - 300 Multiple ChoicesThis is a pdf-only article and there is no markup to show you.full-text.pdf ER -