TY - JOUR T1 - Four years before the mast JF - Clinical Medicine JO - Clin Med SP - 331 LP - 332 DO - 10.7861/clinmedicine.14-4-331 VL - 14 IS - 4 AU - Richard Thompson Y1 - 2014/08/01 UR - http://www.rcpjournals.org/content/14/4/331.abstract ER -