61
Published 2019
World Health Organization

63
Published 2019
Department of Reproductive Health and Research, World Health Organization

66
Published 2018
World Health Organization

68
Published 2018
World Health Organization

69
Published 2018
World Health Organization

72
Published 2019
World Health Organization

73
Published 2019
World Health Organization

74
by Anderson, Michael
Published 2020
Cambridge University Press

77
Published 2022
World Health Organization

79
Published 2022
World Health Organization

80
Published 2018
Organización Mundial de la Salud, Deparamento de Salud Reproductiva e Investigaciones Conexas