J. R. Roborgh

The antirachitic activity of previtamin D₃

K. H. Hanewald, M. P. Rappoldt, J. R. Roborgh · Recueil des Travaux Chimiques des Pays-Bas · 1961 · 57 citations

Agriculture, Nutrition, Nutritional Sciences +13

Evaluation of the Effect of Isomerization on the Chemical and Biological Assay of Vitamin D

J. A. Keverling Buisman, K. H. Hanewald, Frits J Mulder et al. · Journal of Pharmaceutical Sciences · 1968 · 47 citations

Life Sciences, Biochemistry, Pharmacology +12

The hypercalcemic activity of dihydrotachysterol2 and dihydrotachysterol3 and of the vitamins D2 and D3 after intravenous injection of the aqueous preparations—II

J. R. Roborgh, T. J. De Man · Biochemical Pharmacology · 1960 · 27 citations

Medicine, Biochemistry, Pharmacology +14

The hypercalcemic activity of dihydrotachysterol2 and dihydrotachysterol3 and of the vitamins D2 and D3

T. J. De Man, J. R. Roborgh · Biochemical Pharmacology · 1959 · 15 citations

Medicine, Endocrinology, Pharmacology +13

A chemical routine determination of vitamin‐D; correlation with the biological determination. (Analysis of fat soluble vitamins II))

Frits J Mulder, J. R. Roborgh, T. J. De Man et al. · Recueil des Travaux Chimiques des Pays-Bas · 1957 · 13 citations

Life Sciences, Biochemistry, Analytical Chemistry +12