The Isolation from Lemon Juice of a Growth Factor of Steroid Nature required for the Growth of a Strain of Paramecium aurelia

References

1. Bergmann W., Low E.M. 1947; Contributions to the study of marine products. XX. Remarks concerning the structure of sterols from marine invertebrates.. J. org. Chem. 67:
   [Google Scholar]
2. Fieser L.F., Fieser M. 1949 Natural Products Related to Phenanthrene, 3rd ed.. New York:: Reinhold Publishing Corporation.;
   [Google Scholar]
3. Sonneborn T.M. 1949; Beyond the gene.. Amer. Scient. 37:33
   [Google Scholar]
4. Sonneborn T.M. 1950; Methods in the general biology and genetics of Paramecium aurelia.. J. exp. Zool. 113:87
   [Google Scholar]
5. Wagtendonk W.J.Van, Hackett P.L. 1949; The culture of Paramecium aureliain the absence of other living organisms.. Proc. not. Acad. Sci., Wash. 35155
   [Google Scholar]
6. Wagtendonk W.J.Van, Miller C.A., Conner R.L. 1952; Growth requirements of Paramecium aurelia, var. 4, stock 51.7 (s), in a medium free of other living organisms.. Fed. Proc. 11:302
   [Google Scholar]
7. Wagtendonk W.J.Van, Conner R.L., Miller C.A., Rao M.R.R. 1953; Growth requirements of Paramecium aurelia, var. 4, stock 51, sensitives and killers, in axenic medium.. Ann. N.Y. Acad. Sci. (in the Press)
   [Google Scholar]