IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. Lyman C. Craig (1906-1974) was a ...

THE increasing use of counter-current distribution between solvents, in machines of the kind developed by Craig 1, for the purification of natural products prompts us to direct attention to simple ...

WE have failed to confirm the report 1 that the injection of several hormones into rats is followed by rapid and specific alterations in the profile obtained by counter-current fractionation of ...