1. Toxicity of menadione, menadiol and esters;Ansbacher;J. Pharmacol. Exptl. Therap.,1942
2. Blood spot incidence in chicken eggs and vitamin A level of the diet;Bearse;Poultry Sci.,1960
3. The effect of excessive amounts of dietary vitamin A on egg production in White Leghorn hens;Biely;Poultry Sci.,1962
4. Studies on carotenoid metabolism: IV;Deuel;The effect of vitamin A intake on the carotenoid and vitamin A content of the eggs, liver, blood and body fat of hens. J. Nutrition,1943
5. Influence of high level vitamin A feeding on laying hens;Donovan;Poultry Sci.,1961