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APA Citation
Rees, H., Hann, I. M., Chessells, J. M., & Webb, D. K. H. (1999). are glomerular filtration rate estimations necessary before high dose methotrexate?. Archives of disease in childhood, 81(4), 339–340. http://access.bl.uk/ark:/81055/vdc_100135140707.0x000053