ScienceJohn Michels (Journalist) 1940 |
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Page 59
... vitamin K , the clotting time is restored to a normal value within a period of six hours . The development of quantitative biological methods of assay has enabled investigators to ascertain the most concentrated sources of vitamin K ...
... vitamin K , the clotting time is restored to a normal value within a period of six hours . The development of quantitative biological methods of assay has enabled investigators to ascertain the most concentrated sources of vitamin K ...
Page 60
... vitamin K1 . CONSTITUTION Although it was not possible from the analyses and molecular weight determinations to decide between several alternative formulas it seemed likely that the empirical formula of vitamin K , 19 was C31H4602 and ...
... vitamin K1 . CONSTITUTION Although it was not possible from the analyses and molecular weight determinations to decide between several alternative formulas it seemed likely that the empirical formula of vitamin K , 19 was C31H4602 and ...
Page 244
... vitamin H. The presence of traces of vitamin H activity might therefore remain undetected in the concentrations ex- isting in various materials , as a result of which vitamin H might incorrectly appear to be less widely dis- tributed ...
... vitamin H. The presence of traces of vitamin H activity might therefore remain undetected in the concentrations ex- isting in various materials , as a result of which vitamin H might incorrectly appear to be less widely dis- tributed ...
Contents
ALVAREZ W Lunar Rainbows 450 | 5 |
SIMMS H S Senile Debility and Mortality | 7 |
GAFFRON H Oxyhydrogen Reaction in Green Algae 529 | 9 |
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