@misc{indiciaeb724e7a9925f, title = {Allergic headache.}, author = {T J Haywood and J P McGovern}, year = {1969}, doi = {10.1111/j.1526-4610.1969.hed0903141.x}, url = {https://pubmed.ncbi.nlm.nih.gov/5353632/}, note = {Source identifier: 5353632} }