Klinger G, Ahrens P, Hempel E
Zentralbl Gynakol. 1978;100(10):628-31.
The changes in cytohormonal patterns we have studied on 34 patients using various combinations of exogenous estrogenes and progestagens. Comparative analysis of data with the progestagen compounds Non-Ovlon or Gravistat showed a same effect on vaginal smear.