@misc{indiciaec289544e39a5, title = {Letter: Complement in bronchial asthma.}, author = {L O Hansson and N I Kjellman and I Leijon}, year = {1975}, doi = {10.1016/s0140-6736(75)90270-6}, url = {https://pubmed.ncbi.nlm.nih.gov/53358/}, note = {Source identifier: 53358} }