TY  - RPRT
TI  - Theophylline and school performance.
AU  - T R DuHamel
AU  - C Furukawa
PY  - 1989
DO  - 10.1001/archpedi.1989.02150230016003
UR  - https://pubmed.ncbi.nlm.nih.gov/2816847/
ID  - 2816847
ER  -