Author:
Hellström Vidar,Hellberg Arvid,Andersson Albert,Eriksson Sture
Reference3 articles.
1. Slope-ratio liver-storage bioassay for vitamin A;Ames;Anal. Chem.,1956
2. Simplified procedure for extraction and determination of vitamin A in liver;Ames;Anal. Chem.,1954
3. On the chemical assay of vitamin A in animal feeds;Kyrning;Int. Rev. Vit. Res.,1956