TY  - RPRT
TI  - A comparative study of three methods for analysing longitudinal pulmonary function data.
AU  - J E Diem
AU  - J R Liukkonen
DO  - 10.1002/sim.4780070107
UR  - https://pubmed.ncbi.nlm.nih.gov/2832922/
ID  - 2832922
ER  -