title: Letter to the editor: How to test the Trivers-Willard hypothesis in a regression model: A comment on Fujita 2012.
authors: Departments of Radiology and Medical Physics, University of Wisconsin - Madison.
authors: Alejandro
authors: A
authors: Munoz del Rio
authors: Comprehensive Cancer Center, University of Wisconsin - Madison.
authors: Sara
authors: S
authors: Matthiesen
mesh_terms: D001942:Breast Feeding; D005260:Female; D006801:Humans; D008297:Male; D008895:Milk, Human / Q000737:chemistry*; D010287:Parent-Child Relations