Publications by authors named "Ethel Johnson"
JAMA Intern Med· May 2024
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Contemp Clin Trials· June 2023
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BMC Public Health· September 2021
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Am J Public Health· August 2021
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Contemp Clin Trials· May 2021
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Fam Community Health· December 2018
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Vaccine· September 2017
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Ann Fam Med· August 2015
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