@article {Cullinan3, author = {P Cullinan}, title = {Childhood allergies, birth order and family size}, volume = {61}, number = {1}, pages = {3--5}, year = {2006}, doi = {10.1136/thx.2004.039701}, publisher = {BMJ Publishing Group Ltd}, issn = {0040-6376}, URL = {https://thorax.bmj.com/content/61/1/3}, eprint = {https://thorax.bmj.com/content/61/1/3.full.pdf}, journal = {Thorax} }