APA

Ramos J. R., Sigel B., Machi J., Lu S., Levine M. H., Hoover R. P., Samuel S. P. & Robertson A. L. (19851218). The effect of extreme acid and alkali changes upon the echogenicity of blood. : Journal of ultrasound in medicine : official journal of the American Institute of Ultrasound in Medicine.

Chicago

Ramos J R, Sigel B, Machi J, Lu S, Levine M H, Hoover R P, Samuel S P and Robertson A L. 19851218. The effect of extreme acid and alkali changes upon the echogenicity of blood. : Journal of ultrasound in medicine : official journal of the American Institute of Ultrasound in Medicine.

Harvard

Ramos J. R., Sigel B., Machi J., Lu S., Levine M. H., Hoover R. P., Samuel S. P. and Robertson A. L. (19851218). The effect of extreme acid and alkali changes upon the echogenicity of blood. : Journal of ultrasound in medicine : official journal of the American Institute of Ultrasound in Medicine.

MLA

Ramos J R, Sigel B, Machi J, Lu S, Levine M H, Hoover R P, Samuel S P and Robertson A L. The effect of extreme acid and alkali changes upon the echogenicity of blood. : Journal of ultrasound in medicine : official journal of the American Institute of Ultrasound in Medicine. 19851218.