TY  - RPRT
TI  - [Randomized and controlled single-case study--a scientific method for individual and difficult therapy decisions in clinical practice exemplified with methotrexate use in asthma].
AU  - J J Osterwalder
AU  - A Knoblauch
PY  - 1991
UR  - https://pubmed.ncbi.nlm.nih.gov/1947550/
ID  - 1947550
ER  -