TY  - RPRT
TI  - On the changing patterns of pediatric practice.
AU  - W E Nelson
PY  - 1967
DO  - 10.1111/j.1651-2227.1967.tb15292.x
UR  - https://pubmed.ncbi.nlm.nih.gov/6069039/
ID  - 6069039
ER  -