Morse JM, et al.  A prospective study to identify the fall-prone patient.  Soc Sci Med. 1989;28(1):81-6.
The objective of this study was to validate the Morse Scale in predicting patient risk of falling.  The introduction and methods sections describe the instrument, which was derived from previous work by Morse and colleagues analyzing characteristics of patients prone to falls (Morse JM, et al.  Characteristics of the fall-prone patient.  Gerontologist.  1987;27:516.)