title: Haeckel's recapitulation theory should not be used as a defense of the ASA difficult airway algorithm.
authors.affiliation: Department of Anesthesiology UCSD Medical Center San Diego, CA.
authors.forename: Jonathan L
authors.initials: JL
authors.lastname: Benumof
mesh_terms: D005075:Biological Evolution; D005314:Embryonic and Fetal Development; D006801:Humans; D007442:Intubation, Intratracheal; D013961:Thyroid Gland / Q000033:anatomy & histology*