Cita APA

Harris, R., & Read, A. P. (1981). New uncertainties in prenatal screening for neural tube defect.

Chicago Style Citation

Harris, R., i A P. Read. New Uncertainties in Prenatal Screening for Neural Tube Defect. 1981.

Cita MLA

Harris, R., i A P. Read. New Uncertainties in Prenatal Screening for Neural Tube Defect. 1981.