TY  - RPRT
TI  - Problems of basic security in asthmatic children.
AU  - F Voorhorst-Smeenk
PY  - 1970
DO  - 10.1111/j.1398-9995.1970.tb01266.x
UR  - https://pubmed.ncbi.nlm.nih.gov/4097579/
ID  - 4097579
ER  -