2078-7170 2078-7170 S2078-71702021000200256 Cuba 00 06 2021 00 06 2021 13 2 256 257 1 2018 392 10152 10152 1036-46 2 2019 40 7 7 607-17 3 2019 31 6 6 282-8 4 Steering Committee of the Physicians' Health Study Research Group 1989 321 3 3 129-35 5 2013 126 5 5 373-8