Web based health surveys: Using a Two Step Heckman model to examine their potential for population health analysis
نویسندگان
چکیده
منابع مشابه
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ژورنال
عنوان ژورنال: Social Science & Medicine
سال: 2016
ISSN: 0277-9536
DOI: 10.1016/j.socscimed.2016.06.053