Elevated risk for neonatal outcome following denial of pregnancy: results of a one-year prospective study compared with control groupsWESSEL, Jens; ENDRIKAT, Jan; BÜSCHER, Ulrich et al.Journal of perinatal medicine. 2003, Vol 31, Num 1, pp 29-35, issn 0300-5577, 7 p.Article

Frequency of denial of pregnancy: results and epidemiological significance of a 1-year prospective study in BerlinWESSEL, Jens; ENDRIKAT, Jan; BUSCHER, Ulrich et al.Acta obstetricia et gynecologica Scandinavica. 2002, Vol 81, Num 11, pp 1021-1027, issn 0001-6349, 7 p.Article

Ovulation inhibition doses of progestins: a systematic review of the available literature and of marketed preparations worldwideENDRIKAT, Jan; GERLINGER, Christoph; RICHARD, Stephanie et al.Contraception (Stoneham). 2011, Vol 84, Num 6, pp 549-557, issn 0010-7824, 9 p.Article

A multicenter, prospective, randomized, double-blind, placebo-controlled study to investigate the efficacy of a continuous-combined hormone therapy preparation containing 1 mg estradiol valerate/2 mg dienogest on hot flushes in postmenopausal womenENDRIKAT, Jan; GRAESER, Thomas; MELLINGER, Uwe et al.Maturitas (Amsterdam). 2007, Vol 58, Num 2, pp 201-207, issn 0378-5122, 7 p.Article

Sample size calculation for clinical studies on the efficacy of a new contraceptive methodBENDA, Norbert; GERLINGER, Christoph; VAN DER MEULEN, Egbert A et al.Biometrical journal. 2004, Vol 46, Num 1, pp 141-150, issn 0323-3847, 10 p.Article

A prospective study on the effects on hemostasis of two oral contraceptives containing drospirenone in combination with either 30 or 20 μg ethinyl estradiol and a reference containing desogestrel and 30 μg ethinyl estradiolKLUFT, Cornelis; ENDRIKAT, Jan; MULDER, Simone M et al.Contraception (Stoneham). 2006, Vol 73, Num 4, pp 336-343, issn 0010-7824, 8 p.Article

Different Pearl Indices in studies of hormonal contraceptives in the United States: impact of study populationGERLINGER, Christoph; TRUSSELL, James; MELLINGER, Uwe et al.Contraception (Stoneham). 2014, Vol 90, Num 2, pp 142-146, issn 0010-7824, 5 p.Article

A 1-year study to compare the hemostatic effects of oral contraceptive containing 20 μg of ethinylestradiol and 100 μg of levonorgestrel with 30 μg of ethinylestradiol and 100 μg of levonorgestrelJESPERSEN, Jørgen; ENDRIKAT, Jan; DÜSTERBERG, Bernd et al.Contraception (Stoneham). 2005, Vol 72, Num 2, pp 98-104, issn 0010-7824, 7 p.Article

Ovulation inhibition with four variations of a four-phasic estradiol valerate/dienogest combined oral contraceptive : results of two prospective, randomized, open-label studiesENDRIKAT, Jan; PARKE, Susanne; TRUMMER, Dietmar et al.Contraception (Stoneham). 2008, Vol 78, Num 3, pp 218-225, issn 0010-7824, 8 p.Article

Pituitary, ovarian and additional contraceptive effects of an estradiol-based combined oral contraceptive: results of a randomized, open-label studyENDRIKAT, Jan; PARKE, Susanne; TRUMMER, Dietmar et al.Contraception (Stoneham). 2013, Vol 87, Num 2, pp 227-234, issn 0010-7824, 8 p.Article

A 1-year randomized study to evaluate the effects of a dose reduction in oral contraceptives on lipids and carbohydrate metabolism: 20 μg ethinyl estradiol combined with 100 μg levonorgestrelSKOUBY, Sven O; ENDRIKAT, Jan; DÜSTERBERG, Bernd et al.Contraception (Stoneham). 2005, Vol 71, Num 2, pp 111-117, issn 0010-7824, 7 p.Article

Bleeding pattern, tolerance and patient satisfaction with a drospirenone-containing oral contraceptive evaluated in 3488 women in Europe, the Middle East and CanadaENDRIKAT, Jan S; MILCHEV, Nikola P; KAPAMADZIJA, Aleksandra et al.Contraception (Stoneham). 2009, Vol 79, Num 6, pp 428-432, issn 0010-7824, 5 p.Article