Helmerhorst

Savoirs

Effectiveness and acceptability of progestogens in combined oral contraceptives – a systematic review

Kulier Regina, Helmerhorst, Maitra Nandita, Gülmezoglu

Savoirs

Dutch women with a low birth weight have an increased risk of myocardial infarction later in life: a case control study

Kapiteijn Kitty, Hage, Rosendaal, Helmerhorst, Tanis

Savoirs

Difficulties in recruitment for a randomized controlled trial involving hysterosalpingography

Perquin, Helmerhorst, De