Figure 6.
In vitro cyclic adenosine monophosphate (cAMP) activity on cell viability of hFOB cells: (1) Standard PTH (1–34); (2) PTH (1–34) extracted from NPTH; (3) NPTH released after 1 h; (4) NPTH released after 4 h and (5) released after 24 h.
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