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Dieleman, Joseph L., Gavin Yamey, Elizabeth K. Johnson, Casey M. Graves, Annie Haakenstad, and John G. Meara. “Tracking global expenditures on surgery: gaps in knowledge hinder progress.” The Lancet. Global Health 3 Suppl 2 (April 2015): S2–4. https://doi.org/10.1016/s2214-109x(15)70075-6.

Dieleman JL, Yamey G, Johnson EK, Graves CM, Haakenstad A, Meara JG. Tracking global expenditures on surgery: gaps in knowledge hinder progress. The Lancet Global health. 2015 Apr;3 Suppl 2:S2–4.

Dieleman, Joseph L., et al. “Tracking global expenditures on surgery: gaps in knowledge hinder progress.” The Lancet. Global Health, vol. 3 Suppl 2, Apr. 2015, pp. S2–4. Epmc, doi:10.1016/s2214-109x(15)70075-6.

Dieleman JL, Yamey G, Johnson EK, Graves CM, Haakenstad A, Meara JG. Tracking global expenditures on surgery: gaps in knowledge hinder progress. The Lancet Global health. 2015 Apr;3 Suppl 2:S2–S4.