TY  - RPRT
TI  - Statistical issues in long-term followup studies.
AU  - J J Bartko
AU  - W T Carpenter
AU  - T H McGlashan
PY  - 1988
DO  - 10.1093/schbul/14.4.575
UR  - https://pubmed.ncbi.nlm.nih.gov/3064284/
ID  - 3064284
ER  -