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APA Citation
Nguyen, M. V., Tran, M. T., Tran, C. T., Tran, Q. H., Tuonga, T. T., Phung, L. N., Vu, H. X., Le, L. C., Boffetta, P., & Luu, H. N. (2019). the association between birth order and childhood brain tumors. European journal of cancer prevention, 28(6), . http://access.bl.uk/ark:/81055/vdc_100126091450.0x000039