TY  - RPRT
TI  - Secular trends in head growth.
AU  - D P Davies
AU  - S F Leung
AU  - S P Lau
PY  - 1986
DO  - 10.1136/adc.61.6.623-a
UR  - https://pubmed.ncbi.nlm.nih.gov/3729538/
ID  - 3729538
ER  -