APA Citation

Davidson, R. G., & Sheffield, L. J. (1978). Hazards of prenatal detection of neural-tube defects by screening maternal serum for alpha-fetoprotein.

Citação norma Chicago

Davidson, R. G., and L. J. Sheffield. Hazards of Prenatal Detection of Neural-tube Defects By Screening Maternal Serum for Alpha-fetoprotein. 1978.

MLA Citation

Davidson, R. G., and L. J. Sheffield. Hazards of Prenatal Detection of Neural-tube Defects By Screening Maternal Serum for Alpha-fetoprotein. 1978.

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