APA Citation

Spencer, K. (1992). Antenatal screening for Down's syndrome.

Citação norma Chicago

Spencer, K. Antenatal Screening for Down's Syndrome. 1992.

MLA Citation

Spencer, K. Antenatal Screening for Down's Syndrome. 1992.

Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.