TY - JOUR A1 - Garnett, G.P. A1 - Johnson, A.M. T1 - Coining a new term in epidemiology: Concurrency and HIV Y1 - 1997 DO - 10.1097/00002030-199705000-00017 JF - AIDS VL - 11 IS - 5 SP - 681 EP - -683 ER -