Review on shilajit used in traditional Indian medicine. Wilson, Eugene & Rajamanickam, G.V. & Dubey, G P & Klose, Petra & Musial, Frauke & Saha, F & Rampp, Thomas & Michalsen, Andreas & Dobos, Gustav. (2011). Journal of ethnopharmacology. 136. 1-9. 10.1016/j.jep.2011.04.033.
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Endogenous, very small embryonic-like stem cells: critical review, therapeutic potential and a look ahead. Deepa Bhartiya, Ambreen Shaikh, Sandhya Anand, Hiren Patel, Sona Kapoor, Kalpana Sriraman, Seema Parte, Sreepoorna Unni, Human Reproduction Update, Volume 23, Issue 1, 1 December 2016, Pages 41–76, https://doi.org/10.1093/humupd/dmw030
Immunotherapy: