Development and assessment of floor and ceiling items for the PROMIS physical function item bank

Bibliographic Details
Main Authors: Bruce, Bonnie, Fries, James, Lingala, Bharathi, Hussain, Yusra Nazar, Krishnan, Eswar
Format: Online
Language:English
Published: BioMed Central 2013
Online Access:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3978724/