TY  - RPRT
TI  - A PC program for performing multigroup longitudinal comparisons using the Potthoff-Roy analysis and orthogonal polynomials.
AU  - T R ten Have
AU  - C J Kowalski
AU  - E D Schneiderman
AU  - S M Willis
PY  - 1992
DO  - 10.1016/0020-7101(92)90073-2
UR  - https://pubmed.ncbi.nlm.nih.gov/1568780/
ID  - 1568780
ER  -