TY  - RPRT
TI  - Repeated measures with zeros.
AU  - K N Berk
AU  - P A Lachenbruch
PY  - 2002
DO  - 10.1191/0962280202sm293ra
UR  - https://pubmed.ncbi.nlm.nih.gov/12197298/
ID  - 12197298
ER  -