Related by context. Frequent words. (Click for all words.) 72 microbicide 67 microbicides 58 PrEP 58 Microbicides 57 tenofovir 53 vaccine Gardasil 52 vaccine 52 raltegravir 51 cervical cancer vaccine 51 Gardasil vaccine 51 HIV infection 51 levonorgestrel 51 Tykerb 50 maraviroc 50 oral contraceptive 50 Truvada 50 contraceptive 49 Fuzeon 49 transdermal patch 49 Gardasil 49 gene therapy 49 Viread 49 antiretroviral 49 Acrux 49 Intrinsa 49 estrogen therapy 49 contraceptive pill 49 nasal spray 48 protease inhibitor 48 progestin 48 Lybrel 48 synthetic hormone 48 Cervarix 48 genital herpes 48 acyclovir 48 aromatase inhibitor 48 Tamoxifen 48 mifepristone 47 GARDASIL 47 rotavirus vaccine 47 vaginally 47 HPV strains 47 hormonal contraceptives 47 gel 47 Nevirapine 47 antisense drug 47 protease inhibitors 47 nevirapine 47 HPV vaccine 47 Telaprevir 46 denosumab 46 Hepsera 46 avanafil 46 premature ejaculation 46 male circumcision 46 human immunodeficiency virus 46 non nucleoside reverse 46 tablet formulation 46 NicVAX 46 pill 46 Benlysta 46 tamoxifen 46 Zometa 46 Seasonale 45 hormone therapy 45 Femara 45 condom 45 cancer immunotherapy 45 Proscar 45 telaprevir 45 progesterone 45 anti retroviral 45 antiretrovirals 45 Aspirin 45 Retroviruses 45 pneumococcal vaccine 45 Depo Provera 45 HPV infections 45 antiretroviral drugs 45 ella 45 oral contraceptives 45 Coartem 45 antiperspirant 45 PLX# 45 sublingual 45 Treximet 45 telmisartan 45 Iomai 45 raloxifene 45 human papilloma virus 45 capsaicin 44 FTY# 44 BARACLUDE 44 zoledronic acid 44 HPV vaccines 44 postmenopausal osteoporosis 44 Remoxy 44 Rotarix 44 Avodart 44 JANUVIA 44 telbivudine