RT Journal Article SR Electronic T1 The significance of early HIV testing (1) JF Clinical Medicine JO Clin Med FD Royal College of Physicians SP 91 OP 92 DO 10.7861/clinmedicine.9-1-91c VO 9 IS 1 A1 CM Naftalin A1 M Poulton YR 2009 UL http://www.rcpjournals.org/content/9/1/91.4.abstract