ftp.cdc.gov - /pub/Health_Statistics/NCHS/Survey_Questionnaires/NHIS/2018/

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      Wednesday, June 5, 2019  3:05 PM        17537 2018_Q_Reference_Guide.pdf
        Friday, June 21, 2019  5:23 PM        <dir> english
    Monday, February 26, 2018  8:15 PM      4169807 frmanual.pdf
    Monday, February 26, 2018  8:31 AM        84157 nhisflow.pdf
        Friday, June 21, 2019  5:24 PM        <dir> spanish