title: [Your soul weighs about how much, do you estimate?].
authors.affiliation: jeanyves.nau@gmail.com
authors.forename: Jean-Yves
authors.initials: JY
authors.lastname: Nau
mesh_terms: D001837:Body Weights and Measures; D049673:History, 20th Century; D006801:Humans; D010820:Physicians / Q000266:history*; D014481:United States