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APA Citation
Salmon, M., Dalton, K., Sweeney, M., Hockaday, J., Wilson, J., Forsythe, W., Hay, K., Guzder, P., Waters, E., Dalton, M., Lewis, B., Hooper, D., & Dalton, M. (1978). migraine in childhood.. BMJ, 1(6125), 1481. http://access.bl.uk/ark:/81055/vdc_100142302386.0x00004d