{{Cite journal| doi = 10.1136/bcr-2025-269482| issn = 1757-790X (Electronic)| volume = 19| issue = 1| last1 = Corraro| first1 = A.| last2 = Fleck| first2 = M.| last3 = Theil| first3 = P.| last4 = Schwendinger| first4 = M.| title = A rare clinical presentation of pheochromocytoma: a young patient in severe cardiogenic shock with secondary Takotsubo syndrome| journal = BMJ Case Rep| date = 2026-01-31| pmid = 41617364}}