title: Studies of nurse practitioner effectiveness.
authors.forename: M J
authors.initials: MJ
authors.lastname: Feldman
authors.forename: M R
authors.initials: MR
authors.lastname: Ventura
authors.forename: F
authors.initials: F
authors.lastname: Crosby
mesh_terms: D001634:Bibliographies as Topic; D005069:Evaluation Studies as Topic; D006801:Humans; D009722:Nurse Practitioners / Q000706:statistics & numerical data*; D012107:Research Design