APA citiranje

Machin, D., & Gao, F. (2000). Seasonal variations in the diagnosis of childhood cancer. Nature Publishing Group.

Citação norma Chicago

Machin, D., and F. Gao. Seasonal Variations in the Diagnosis of Childhood Cancer. Nature Publishing Group, 2000.

MLA citiranje

Machin, D., and F. Gao. Seasonal Variations in the Diagnosis of Childhood Cancer. Nature Publishing Group, 2000.

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