Abstract
THE correspondence upon this subject which has appeared in NATURE during the last few weeks has directed attention to the extremely unsatisfactory state which those of us who are interested in the matter from a commercial as well as from a scientific aspect have long known to exist.
Similar content being viewed by others
Article PDF
Author information
Authors and Affiliations
Rights and permissions
About this article
Cite this article
WARD, J., HAINES, R. Estimation of Vitamin A. Nature 137, 402 (1936). https://doi.org/10.1038/137402b0
Issue Date:
DOI: https://doi.org/10.1038/137402b0
Comments
By submitting a comment you agree to abide by our Terms and Community Guidelines. If you find something abusive or that does not comply with our terms or guidelines please flag it as inappropriate.