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Herman van Wietmarschen, Trine Stub, Louise Mulder, Anja Glockmann, Wilfried Tröger, Miek Jong, Harald Hamre. Adverse drug reactions to Anthroposophic Medicinal Products: protocol for a systematic review and meta-analysis of clinical studies. PROSPERO 2025 CRD420251006662. Available from https://www.crd.york.ac.uk/PROSPERO/view/CRD420251006662.
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Herman van Wietmarschen, Trine Stub, Louise Mulder, Anja Glockmann, Miek Jong, Harald Hamre. Effectiveness of interventions with a single Anthroposophic Medicinal Product: protocol for a systematic review and meta-analysis of clinical studies. PROSPERO 2025 CRD420251006738. Available from https://www.crd.york.ac.uk/PROSPERO/view/CRD420251006738.