Safer sex in HIV infected patients in London: practices and risks.
Khan
W A
WA
Richardson
C
C
Mandalia
S
S
Barton
S E
SE
D015658:HIV Infections / Q000635:transmission*; D007722:Health Knowledge, Attitudes, Practice; D006801:Humans; D008131:London / Q000453:epidemiology; D008297:Male; D012307:Risk Factors; D021841:Safe Sex / Q000706:statistics & numerical data*