| Wolfgang E Paulus Benefit of vaginal sildenafil citrate in assisted reproduction therapyWolfgang E Paulus Fertil Steril 77:846-7. 2002 Influence of acupuncture on the pregnancy rate in patients who undergo assisted reproduction therapyWolfgang E Paulus Department of Reproductive Medicine, Christian Lauritzen Institut, Ulm, Germany Fertil Steril 77:721-4. 2002 [Medications in pregnancy]W Paulus Institut für Reproduktionstoxikologie KH St Elisabeth Akademisches Lehrkrankenhaus der Universität Ulm Elisabethenstrage 17, D 88212 Ravensburg MMW Fortschr Med 147:37-40. 2005
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