Howitt, P., Darzi, A., Yang, G.-Z., Ashrafian, H., Atun, R., Barlow, J., … Wilson, E. (2012). Technologies for global health. Lancet (London, England), 380(9840), 507–535. https://doi.org/10.1016/s0140-6736(12)61127-1

Howitt, Peter, Ara Darzi, Guang-Zhong Yang, Hutan Ashrafian, Rifat Atun, James Barlow, Alex Blakemore, et al. “Technologies for global health.” Lancet (London, England) 380, no. 9840 (August 2012): 507–35. https://doi.org/10.1016/s0140-6736(12)61127-1.

Howitt P, Darzi A, Yang G-Z, Ashrafian H, Atun R, Barlow J, et al. Technologies for global health. Lancet (London, England). 2012 Aug;380(9840):507–35.

Howitt, Peter, et al. “Technologies for global health.” Lancet (London, England), vol. 380, no. 9840, Aug. 2012, pp. 507–35. Epmc, doi:10.1016/s0140-6736(12)61127-1.

Howitt P, Darzi A, Yang G-Z, Ashrafian H, Atun R, Barlow J, Blakemore A, Bull AMJ, Car J, Conteh L, Cooke GS, Ford N, Gregson SAJ, Kerr K, King D, Kulendran M, Malkin RA, Majeed A, Matlin S, Merrifield R, Penfold HA, Reid SD, Smith PC, Stevens MM, Templeton MR, Vincent C, Wilson E. Technologies for global health. Lancet (London, England). 2012 Aug;380(9840):507–535.