By S. Nielsen and others; author roster verified in the primary article. PNAS 92(4), 1013–1017 (14 February 1995). DOI: doi.org/10.1073/pnas.92.4.1013
Verified locator: abstract, isolated perfused rat collecting ducts, osmotic water permeability and immunoelectron microscopy before/during/after vasopressin. The same tubules were used for functional and localization measurements.