TY - RPRT TI - [CONCENTRATION OF SOLUTIONS WITH DIFFERENT COMPOSITION BY A SINGLE COUNTERCURRENT DIFFUSION AND COUNTERCURRENT OSMOSIS AS A POSSIBLE MECHANISM OF UREA CONCENTRATION]. AU - W NIESEL AU - H ROESKENBLECK PY - 1965 UR - https://pubmed.ncbi.nlm.nih.gov/14311307/ ID - 14311307 ER -