TY  - RPRT
TI  - Longitudinal studies with continuous responses.
AU  - N M Laird
AU  - C Donnelly
AU  - J H Ware
PY  - 1992
DO  - 10.1177/096228029200100302
UR  - https://pubmed.ncbi.nlm.nih.gov/1341659/
ID  - 1341659
ER  -