Risultati della ricerca - Sigma Research,

Making data count : findings from the national gay men's sex survey, 1997 /

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Putting it about : health promotion for gay men with higher numbers of sexual partners : brifing paper /

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Know the score : findings from the national gay men's sex survey 2001 /

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By any means necessary? : reflecting on how HIV prevention interventions work and the changes they bring about / di Bonell, Chris

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