TY - JOUR T1 - In response to both letters JF - Clinical Medicine JO - Clin Med SP - 92 LP - 92 DO - 10.7861/clinmedicine.9-1-92a VL - 9 IS - 1 AU - Brian F Menezes AU - (on behalf of all authors) Y1 - 2009/02/01 UR - http://www.rcpjournals.org/content/9/1/92.2.abstract ER -