Piper JD, Piper PW (2017). "Benzoate and Sorbate Salts: A Systematic Review of the Potential Hazards of These Invaluable Preservatives and the Expanding Spectrum of Clinical Uses for Sodium Benzoate". Comprehensive Reviews in Food Science and Food Safety. 16 (5): 868-880. doi:10.1111/1541-4337.12284. PMID33371618.
Erich Lück, Martin Jager and Nico Raczek "Sorbic Acid" in Ullmann's Encyclopedia of Industrial Chemistry, Wiley-VCH, Weinheim, 2000.DOI:10.1002/14356007.a24_507
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Piper JD, Piper PW (2017). "Benzoate and Sorbate Salts: A Systematic Review of the Potential Hazards of These Invaluable Preservatives and the Expanding Spectrum of Clinical Uses for Sodium Benzoate". Comprehensive Reviews in Food Science and Food Safety. 16 (5): 868-880. doi:10.1111/1541-4337.12284. PMID33371618.