Preface.
Department of Reproductive Health and Research, World Health Organization, Geneva, Switzerland. Electronic address: temmermanm@who.int.
Marleen
M
Temmerman
Department of Immunization, Vaccines & Biologicals, World Health Organization, Geneva, Switzerland.
Jean-Marie
JM
Okwo-Bele
D017325:Hepatitis B Vaccines; D006801:Humans; D053918:Papillomavirus Vaccines; D012749:Sexually Transmitted Diseases / Q000517:prevention & control*; D014611:Vaccination / Q000639:trends; D014612:Vaccines
D017325:Hepatitis B Vaccines; D053918:Papillomavirus Vaccines; D014612:Vaccines