An official website of the United States government
The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before
sharing sensitive information, make sure you’re on a federal
government site.
The site is secure.
The https:// ensures that you are connecting to the
official website and that any information you provide is encrypted
and transmitted securely.
Low N, Egger M, Gorter A, Sandiford P, González A, Pauw J, Ferrie J, Smith GD.Low N, et al. Among authors: sandiford p.Int J Health Serv. 1993;23(4):685-702. doi: 10.2190/1P6N-BPDW-M7BM-P2DR.Int J Health Serv. 1993.PMID: 8276529
Sandiford P, Gorter A, Torres MD.Sandiford P, et al.Trans R Soc Trop Med Hyg. 1996 Sep-Oct;90(5):587. doi: 10.1016/s0035-9203(96)90335-1.Trans R Soc Trop Med Hyg. 1996.PMID: 8944282No abstract available.