@misc{indiciae4f99eecc1a17, title = {Hypersensitivity to some nematode antigens.}, author = {P A Ball and A Voller and L F Taffs}, year = {1971}, doi = {10.1136/bmj.1.5742.210}, url = {https://pubmed.ncbi.nlm.nih.gov/5541233/}, note = {Source identifier: 5541233} }