Wikipedia (eng.): Lemma Kidney  Wikipedia (eng.): Lemma Protein kinase  Psychology Wiki: Lemma Protein kinase  or  Kinexus: Protein Kinases  Busjahn et al. 2002  F. Lang et al. (2006)  BelAiba et al. (2006)  Boini (Dissertation, 2006)  unbekannt (2005)  Hoenderop (2003)  Wulf et al. (2002) 
- (Amann et al. (2001) )
Wikipedia figure:  [www.med.muni.cz/patfyz/.../new/Calcium2005.ppt]: S. 41 (same as "unbekannt" above)
- Approach to Hypercalcemia, David Goltzman. Chapter in Online Book "Endotext", first published in 2000. Chapter is available in the 2013 version at NCBI Books and complete at Book Chapter (need registration). The problem is, that these files are constantly updated and not archived in the Internet Archive. This is the text found in the PPT on Calcium.
p. 41 "PTH has little effect on modulating calcium fluxes in the proximal tubule where 65% of the filtered calcium is reabsorbed, by being coupled to the transport of solutes such as sodium and water." can be found text parallel in , the source given there is B. E. Nordin ; M. Peacock. Role of kidney in regulation of plasma-calcium. The Lancet [0140-6736] Jahr:1969 Band:2 Heft:7633 Seiten:1280. However, this sentence cannot be found there, but rather in the "Primer on the Metabolic Bone Diseases and Disorders of Mineral Metabolism", Ed.: Rosen, Clifford J (American Society for Bone and Mineral Research), Chapter 22 ("Regulation of Calcium and Magnisium", Murray J. Favus & David Goltzman) allerdings die 8. Auflage (2013). 1. Auflage erschien 1990. This is the same text as Calcium 2005. The chapter is available online as Chapter 21 in the 7th edition (2008) at  Quelle gefunden, inzwischen aus dem Netz genommen, aber noch im Interent Archiv:  S. 42 ff