TY  - RPRT
TI  - Spirometry in young children: should computer-animation programs be used during testing?
AU  - V Gracchi
AU  - M Boel
AU  - J van der Laag
AU  - C K van der Ent
PY  - 2003
DO  - 10.1183/09031936.03.00059902
UR  - https://pubmed.ncbi.nlm.nih.gov/12765436/
ID  - 12765436
ER  -