Fine and hyperfine interactions with multi-level spin relaxation of the purified Giese-salt in veterinary medicine: Prussian blue compound ammonium-ferric-hexacyano-ferrate. - Bräuninger, Sascha A.; Motz, Damian A.; Praetz, Sebastian; Seewald, Felix; Strecker, Katharina; Vogt, Carla; Klauss, Hans-Henning; Kanngießer, Birgit; Seifert, Hermann (Journal of Radioanalytical & Nuclear Chemistry, 2026)