Cost-effectiveness analysis of in-vitro fertilization: estimated costs per successful pregnancy after transfer of one or two embryos von Wølner-Hanssen, P, Rydhstroem, H

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Gestational duration in the pregnancy after a preterm twin delivery von Rydhstroem, Hakan

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Implementation of new medical techniques: Experience from the Swedish randomized controlled trial on fetal ECG during labor von Amer-Wåhlin, I., Källén, K., Herbst, A., Rydhstroem, H., Sundström, A. -K., Marš l, K.

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Pregnancy with stillbirth of both twins von Rydhstroem, Hakan

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Effects of acupuncture and care interventions on the outcome of inflammatory symptoms of the breast in lactating women von Kvist, L. J., Wilde Larsson, B., Hall-Lord, M. L., Rydhstroem, H.

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Outcome in obstetric care related to oxytocin use. A population-based study von Oscarsson, Maria E., Amer-Wåhlin, Isis, Rydhstroem†, Hakan, Källén, Karin

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The relation between inter-twin birth weight discordance and total twin birth weight von Blickstein, I, Goldman, R.D, Smith-Levitin, M, Greenberg, M, Sherman, D, Rydhstroem, H

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Congenital malformations after the use of inhaled budesonide in early pregnancy von Källén, Bengt, Rydhstroem, Hakan, Åberg, Anders

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Impaired glucose tolerance associated with adverse pregnancy outcome: A population-based study in southern Sweden von Åberg, Anders, Rydhstroem, Hakan, Frid, Anders

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Factors related to breast abscess after delivery: a population‐based study von Kvist, Linda J., Rydhstroem, Hakan

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Obstetric risk factors for stress urinary incontinence: a population-based study von Persson, Jan, Wølner-Hanssen, Pål, Rydhstroem, Hakan

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Rupture of the sphincter ani: the recurrence rate in second delivery von Elfaghi, Ibtesam, Johansson‐Ernste, Birgit, Rydhstroem, Hakan

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Shoulder Dystocia and Brachial Plexus Injury: A Population-Based Study von Christoffersson, Magnus, Rydhstroem, Hakan

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Asthma during Pregnancy: A Population Based Study von Källén, Bengt, Rydhstroem, Hakan, Åberg, Anders

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Routine ultrasound screening in the third trimester: a population-based study von Sylvan, Kerstin, Ryding, Elsa Lena, Rydhstroem, Håkan

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No Obvious Spatial Clustering of Twin Births in Sweden between 1973 and 1990 von Rydhstroem, Hakan

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A randomised-controlled trial in Sweden of acupuncture and care interventions for the relief of inflammatory symptoms of the breast during lactation von Kvist, Linda J., Louise Hall-Lord, Marie, Rydhstroem, Hakan, Wilde Larsson, Bodil

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Routine oxytocin in the third stage of labour: a placebo controlled randomised trial von Nordström, Lennart, Fogelstam, Kerstin, Fridman, Gunilla, Larsson, Anita, Rydhstroem, Hakan

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Asthma during pregnancy--a population based study von Källén, B, Rydhstroem, H, Aberg, A

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Routine Ultrasound Screening in the Third Trimester: A Population-Based Study von Sylvan, Kerstin, Ryding, Elsa Lena, Rydhstroem, Håkan

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