TY  - RPRT
TI  - Lessons learned from a longitudinal qualitative family systems study.
AU  - Yvonne M Sterling
AU  - Jane W Peterson
PY  - 2005
DO  - 10.1016/j.apnr.2004.05.001
UR  - https://pubmed.ncbi.nlm.nih.gov/15812735/
ID  - 15812735
ER  -