Petruckevitch, A., Nicoll, A., Johnson, A. M., & Bennett, D. (1997). Direct estimates of prevalent HIV infection in adults in England and Wales for 1991 and 1993: An improved method.
Stile di citazione ChicagoPetruckevitch, A., A. Nicoll, A M. Johnson, e D. Bennett. Direct Estimates of Prevalent HIV Infection in Adults in England and Wales for 1991 and 1993: An Improved Method. 1997.
Citazione MLAPetruckevitch, A., A. Nicoll, A M. Johnson, e D. Bennett. Direct Estimates of Prevalent HIV Infection in Adults in England and Wales for 1991 and 1993: An Improved Method. 1997.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.