How 'definitive' is new sex survey? Answers vary.
Cotton
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D003625:Data Collection; D005260:Female; D006801:Humans; D008297:Male; D011159:Population Surveillance; D011634:Public Health; D015203:Reproducibility of Results; D012725:Sexual Behavior / Q000706:statistics & numerical data; D014481:United States / Q000453:epidemiology