Post-exposure prophylaxis for HIV?
a) Zidovudine (AZT) + Lamivudine (3TC) + Tenofovir (TDF)
b) Ritonavir (RTV) + Lopinavir (LPV)
c) Tenofovir (TDF) + Emtricitabine (FTC) ± Raltegravir (RAL)
d) Abacavir (ABC) + Efavirenz (EFV)