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Rathod, Balraj B.; Murthy, Sahana; Bandyopadhyay, Subhajit. Is this Solution Pink Enough? A Smartphone Tutor to Resolve the Eternal Question in Phenolphthalein-Based Titration. Journal of Chemical Education. 20 February 2019, 96 (3): 486–494. Bibcode:2019JChEd..96..486R. S2CID 104475433. doi:10.1021/acs.jchemed.8b00708.
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Tice, R. R.; Furedi-Machacek, M.; Satterfield, D.; Udumudi, A.; Vasquez, M.; Dunnick, J. K. Measurement of Micronucleated Erythrocytes and DNA Damage during Chronic Ingestion of Phenolphthalein in Transgenic Female Mice Heterozygous for the p53 Gene. Environmental and Molecular Mutagenesis. 1998, 31 (2): 113–124. PMID 9544189. doi:10.1002/(SICI)1098-2280(1998)31:2<113::AID-EM3>3.0.CO;2-N.
Rathod, Balraj B.; Murthy, Sahana; Bandyopadhyay, Subhajit. Is this Solution Pink Enough? A Smartphone Tutor to Resolve the Eternal Question in Phenolphthalein-Based Titration. Journal of Chemical Education. 20 February 2019, 96 (3): 486–494. Bibcode:2019JChEd..96..486R. S2CID 104475433. doi:10.1021/acs.jchemed.8b00708.