title: Some models just can't be fixed. A commentary on Mortensen.
authors.affiliation: Department of Epidemiology, Biostatistics, and Occupational Health, McGill University, 1020 Pine Ave West, Montreal, QC H3A 1A2, Canada. jay.kaufman@mcgill.ca
authors.forename: Jay S
authors.initials: JS
authors.lastname: Kaufman
mesh_terms: D005260:Female; D054624:Health Status Disparities; D006801:Humans; D007236:Infant, Small for Gestational Age; D011247:Pregnancy; D047928:Premature Birth / Q000453:epidemiology*; D012923:Social Class