{{sfn|Bönner|Rahn|1989|p=}}

* {{cite book | last=Bönner | first=Gerd | last2=Rahn | first2=K.H. | title=Prostacyclin und Hypertonie | publisher=Springer | publication-place=Berlin Heidelberg | date=1989-09-06 | isbn=3-540-51333-7 | language=de}}

<ref name="n415">{{cite book | last=Bönner | first=Gerd | last2=Rahn | first2=K.H. | title=Prostacyclin und Hypertonie | publisher=Springer | publication-place=Berlin Heidelberg | date=1989-09-06 | isbn=3-540-51333-7 | language=de | page=}}</ref>