Pre-validation methods for developing a patient reported outcome instrument
Citation
Prior , M E , Che Hamzah , J , Francis , J J , Ramsay , C R , Castillo , M M , Campbell , S E , Azuara-Blanco , A & Burr , J M 2011 , ' Pre-validation methods for developing a patient reported outcome instrument ' , BMC Medical Research Methodology , vol. 11 , no. 1 , pp. 112 . https://doi.org/10.1186/1471-2288-11-112