TY  - RPRT
TI  - Patients with negative skin tests.
AU  - Kalliopi Kontou-Fili
PY  - 2002
DO  - 10.1097/00130832-200208000-00010
UR  - https://pubmed.ncbi.nlm.nih.gov/12130951/
ID  - 12130951
ER  -