TY  - RPRT
TI  - Nurse practitioner services: content and relative work value.
AU  - E M Sullivan-Marx
AU  - M B Happ
AU  - K J Bradley
AU  - G Maislin
DO  - 10.1067/mno.2000.109062
UR  - https://pubmed.ncbi.nlm.nih.gov/11135139/
ID  - 11135139
ER  -