Glatthaar, E [The Doyle chromotestor an aid for the understanding of ovulation time]. [electronic resource] - Therapeutische Umschau. Revue therapeutique Aug 1969 - 466-9 p. digital Publication Type: Journal Article ISSN: 0040-5930 Subjects--Topical Terms: Cervix Uteri--analysisFemaleGlucose--analysisHumansIndicators and ReagentsInfertility, Female--diagnosisMethodsOvulationVagina--analysis