phenolsulfonphthalein test
noun
: a test in which phenolsulfonphthalein is administered by injection and urine samples are subsequently taken at regular intervals to measure the rate at which it is excreted by the kidneys
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“Phenolsulfonphthalein test.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/phenolsulfonphthalein%20test. Accessed 1 Dec. 2025.
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