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In a two-way ANOVA,interaction between groups and blocks occurs when differences in group efforts are not distributed uniformly across blocks.
Trial Balance
A bookkeeping report that lists the balances in each of a company's general ledger accounts in two columns, debits and credits, ensuring that total debits equal total credits.
Accounts Balances
The amounts in accounts that represent the difference between the debits and credits recorded.
Retrograde Pyelography
A radiologic procedure in which the doctor injects a contrast medium through a urethral catheter and takes a series of X-rays to evaluate the function of the ureters, bladder, and urethra.
Contrast Medium
A substance used in medical imaging to improve the visibility of internal body structures.
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