TY  - RPRT
TI  - Switching to gatekeeping: changes in expenditures and utilization for children.
AU  - T G Ferris
AU  - J M Perrin
AU  - J A Manganello
AU  - Y Chang
AU  - N Causino
AU  - D Blumenthal
PY  - 2001
DO  - 10.1542/peds.108.2.283
UR  - https://pubmed.ncbi.nlm.nih.gov/11483789/
ID  - 11483789
ER  -