Ashcroft, G. W., Crawford, T. B., Dow, R. C., & Guldberg, H. C. (1968). Homovanillic acid, 3,4-dihydroxyphenylacetic acid and 5-hydroxyindol-3-ylacetic acid in serial samples of cerebrospinal fluid from the lateral ventricle of the dog.

Ashcroft, G W., T B. Crawford, R C. Dow, ja H C. Guldberg. Homovanillic Acid, 3,4-dihydroxyphenylacetic Acid and 5-hydroxyindol-3-ylacetic Acid in Serial Samples of Cerebrospinal Fluid From the Lateral Ventricle of the Dog. 1968.

Ashcroft, G W., T B. Crawford, R C. Dow, ja H C. Guldberg. Homovanillic Acid, 3,4-dihydroxyphenylacetic Acid and 5-hydroxyindol-3-ylacetic Acid in Serial Samples of Cerebrospinal Fluid From the Lateral Ventricle of the Dog. 1968.