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"Variable Name","Variable ID","Variable Description",Version,"dbGaP Mapping" PX081301_Dentist_Last_Visit_Duration,PX081301010000,"About how long has it been since {you/Sample Person} last visited a dentist? Include all types of dentists, such as, orthodontists, oral surgeons, and all other dental specialists, as well as dental hygienists.",0,https://www.phenxtoolkit.org/protocols/view/81301 PX081301_Dentist_Last_Visit_Reason,PX081301020000,"What was the main reason {you/Sample Person} last visited the dentist?",0,https://www.phenxtoolkit.org/protocols/view/81301