title: Climbing the level of evidence ladder: prospective, comparative-effectiveness knee ACL and PCL research.
authors.forename: James H
authors.initials: JH
authors.lastname: Lubowitz
authors.forename: Matthew T
authors.initials: MT
authors.lastname: Provencher
authors.forename: Gary G
authors.initials: GG
authors.lastname: Poehling
mesh_terms: D016118:Anterior Cruciate Ligament / Q000601:surgery*; D059549:Anterior Cruciate Ligament Reconstruction; D035843:Biomedical Research; D057186:Comparative Effectiveness Research; D006801:Humans; D007719:Knee Joint; D016119:Posterior Cruciate Ligament / Q000601:surgery*