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BMC Public Health > 2018 > 18 > 1 > 1-16
International Journal of Nursing Studies > 2015 > 52 > 10 > 1607-1616
Academic Psychiatry > 2015 > 39 > 4 > 372-375
IEEE Aerospace and Electronic Systems Magazine > 2010 > 25 > 9 > 18 - 25