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	1.	Investigation of the hemostatic effect of a transdermal patch containing 0.55 mg ethinyl estradiol and 2.1 mg gestodene compared with a monophasic oral contraceptive containing 0.03 mg ethinyl estradiol and 0.15 mg levonorgestrel: an open-label, randomized, crossover study. [electronic resource] by Junge, Wolfgang Heger-Mahn, Doris Trummer, Dietmar Merz, Martin Producer: 20140428 In: Drugs in R&D vol. 13 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	2.	Suppression of ovarian activity with a low-dose 21/7-day regimen oral contraceptive containing ethinylestradiol 20 mcg/drospirenone 3 mg in Japanese and Caucasian women. [electronic resource] by Anzai, Yuzuru Heger-Mahn, Doris Schellschmidt, Ilka Marr, Joachim Producer: 20121017 In: Contraception vol. 86 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	3.	A randomised study comparing the effect on ovarian activity of a progestogen-only pill (POP) containing desogestrel and a new POP containing drospirenone in a 24/4 regimen. [electronic resource] by Duijkers, Ingrid J M Heger-Mahn, Doris Drouin, Dominique Skouby, Sven Producer: 20160623 In: The European journal of contraception & reproductive health care : the official journal of the European Society of Contraception vol. 20 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	4.	No interacting influence of lavender oil preparation silexan on oral contraception using an ethinyl estradiol/levonorgestrel combination. [electronic resource] by Heger-Mahn, Doris Pabst, Günther Dienel, Angelika Schläfke, Sandra Klipping, Christine Producer: 20160222 In: Drugs in R&D vol. 14 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	5.	Maintenance of ovulation inhibition with a new progestogen-only pill containing drospirenone after scheduled 24-h delays in pill intake. [electronic resource] by Duijkers, Ingrid J M Heger-Mahn, Doris Drouin, Dominique Colli, Enrico Skouby, Sven Producer: 20161213 In: Contraception vol. 93 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	6.	Maintenance of ovulation inhibition with the 75-microg desogestrel-only contraceptive pill (Cerazette) after scheduled 12-h delays in tablet intake. [electronic resource] by Korver, Tjeerd Klipping, Christine Heger-Mahn, Doris Duijkers, Ingrid van Osta, Gonnie Dieben, Thom Producer: 20051223 In: Contraception vol. 71 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	7.	Phase II dose-finding study on ovulation inhibition and cycle control associated with the use of contraceptive vaginal rings containing 17β-estradiol and the progestagens etonogestrel or nomegestrol acetate compared to NuvaRing. [electronic resource] by Duijkers, Ingrid Klipping, Christine Heger-Mahn, Doris Fayad, Ghassan N Frenkl, Tara L Cruz, Sandra M Korver, Tjeerd Producer: 20190123 In: The European journal of contraception & reproductive health care : the official journal of the European Society of Contraception vol. 23 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	8.	Male hormonal contraception: a double-blind, placebo-controlled study. [electronic resource] by Mommers, Ellen Kersemaekers, Wendy M Elliesen, Jörg Kepers, Marc Apter, Dan Behre, Hermann M Beynon, Jennifer Bouloux, Pierre M Costantino, Antonietta Gerbershagen, Hans-Peter Grønlund, Lars Heger-Mahn, Doris Huhtaniemi, Ilpo Koldewijn, Evert L Lange, Corinna Lindenberg, Svend Meriggiola, M Cristina Meuleman, Eric Mulders, Peter F A Nieschlag, Eberhard Perheentupa, Antti Solomon, Andrew Väisälä, Leena Wu, Frederick C Zitzmann, Michael Producer: 20080821 In: The Journal of clinical endocrinology and metabolism vol. 93 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)