1. World Health Organization. The end TB strategy. Geneva: World Health Organization; 2015. https://www.who.int/tb/strategy/End_TB_Strategy.pdf. Accessed 24 Apr 2020
2. World Health Organization. Everybody’s business -- strengthening health systems to improve health outcomes: WHO’s framework for action. Geneva: World Health Organization; 2007. https://apps.who.int/iris/handle/10665/43918. Accessed 23 Apr 2020
3. International Conference on Primary Health Care (1978, Alma-Ata, USSR), World Health Organization & United Nations Children’s Fund (UNICEF). Primary health care: report of the International Conference on Primary Health Care, Alma-Ata, USSR, 6–12 September 1978/jointly sponsored by the World Health Organization and the United Nations Children’s Fund. World Health Organization; 1978. https://apps.who.int/iris/handle/10665/39228. Accessed 24 Apr 2020.
4. Uplekar M, Raviglione MC. The “vertical-horizontal” debates: time for the pendulum to rest (in peace)? Bull World Health Organ. 2007;85:413–7.
5. Reich MR, Takemi K, Roberts MJ, Hsiao WC. Global action on health systems: a proposal for the Toyako G8 summit. Lancet. 2008;371(9615):865–9.