TY  - RPRT
TI  - [Does a corticosteroid-tolerance exist in asthmatics?].
AU  - C Bernecker
AU  - R Krause
AU  - I Roetscher
PY  - 1971
UR  - https://pubmed.ncbi.nlm.nih.gov/5172528/
ID  - 5172528
ER  -