APA

Petruckevitch A., Del Amo J., Phillips A. N., Johnson A. M., Stephenson J., Desmond N., Hanscheid T., Low N., Newell A., Obasi A., Paine K., Pym A., Theodore C. & De Cock K. M. (19980917). Disease progression and survival following specific AIDS-defining conditions: a retrospective cohort study of 2048 HIV-infected persons in London. : AIDS (London, England).

Chicago

Petruckevitch A, Del Amo J, Phillips A N, Johnson A M, Stephenson J, Desmond N, Hanscheid T, Low N, Newell A, Obasi A, Paine K, Pym A, Theodore C and De Cock K M. 19980917. Disease progression and survival following specific AIDS-defining conditions: a retrospective cohort study of 2048 HIV-infected persons in London. : AIDS (London, England).

Harvard

Petruckevitch A., Del Amo J., Phillips A. N., Johnson A. M., Stephenson J., Desmond N., Hanscheid T., Low N., Newell A., Obasi A., Paine K., Pym A., Theodore C. and De Cock K. M. (19980917). Disease progression and survival following specific AIDS-defining conditions: a retrospective cohort study of 2048 HIV-infected persons in London. : AIDS (London, England).

MLA

Petruckevitch A, Del Amo J, Phillips A N, Johnson A M, Stephenson J, Desmond N, Hanscheid T, Low N, Newell A, Obasi A, Paine K, Pym A, Theodore C and De Cock K M. Disease progression and survival following specific AIDS-defining conditions: a retrospective cohort study of 2048 HIV-infected persons in London. : AIDS (London, England). 19980917.