*{{Cite book| publisher = Insel Verlag| isbn = 978-3-458-36466-5| last1 = Michalsen| first1 = Andreas| last2 = Sandmann| first2 = Friedrich-Karl| title = Mit Ernährung heilen; besser essen, einfach fasten, länger leben| location = Berlin| series = Insel-Taschenbuch| date = 2020|trans-title=Heal with nutrition; eat better, fast easily, live longer|language=de}} | *{{Cite book| publisher = Insel Verlag| isbn = 978-3-458-36466-5| last1 = Michalsen| first1 = Andreas| last2 = Sandmann| first2 = Friedrich-Karl| title = Mit Ernährung heilen; besser essen, einfach fasten, länger leben| location = Berlin| series = Insel-Taschenbuch| date = 2020|trans-title=Heal with nutrition; eat better, fast easily, live longer|language=de}} |