title: What case reports can and cannot reveal.
authors.affiliation: University of Kansas Medical Center, Kansas, KS, USA. DALBERTINI@kumc.edu.
authors.forename: David F
authors.initials: DF
authors.lastname: Albertini
mesh_terms: D035843:Biomedical Research; D006801:Humans; D010506:Periodicals as Topic; D027724:Reproductive Techniques, Assisted; D058028:Research Report; D018401:Sample Size