title: Multivariate versus vector analysis.
authors.forename: P J
authors.initials: PJ
authors.lastname: Nielsen
mesh_terms: D001251:Astigmatism / Q000209:etiology*; D006801:Humans; D015999:Multivariate Analysis; D018918:Phacoemulsification / Q000009:adverse effects* / Q000379:methods; D012029:Refraction, Ocular; D013536:Suture Techniques