TY  - RPRT
TI  - Life-span developmental methods: application to nursing research.
AU  - D P Weekes
AU  - S H Rankin
DO  - 10.1097/00006199-198811000-00013
UR  - https://pubmed.ncbi.nlm.nih.gov/3263625/
ID  - 3263625
ER  -