Cite
MLA Citation
Anirban Maitra et al.. “Pertussis vaccination in infancy and asthma or allergy in later childhood: birth cohort study.” BMJ, vol. 328, no. 7445, 2004, pp. 925–926. http://access.bl.uk/ark:/81055/vdc_100177560228.0x000042
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Anirban Maitra et al.. “Pertussis vaccination in infancy and asthma or allergy in later childhood: birth cohort study.” BMJ, vol. 328, no. 7445, 2004, pp. 925–926. http://access.bl.uk/ark:/81055/vdc_100177560228.0x000042