Pure Appl. Chem., 1990, Vol. 62, No. 7, pp. 1285-1288
http://dx.doi.org/10.1351/pac199062071285
Chemistry of shilajit, an immunomodulatory Ayurvedic rasayan
First page:

Pure Appl. Chem., 1990, Vol. 62, No. 7, pp. 1285-1288
http://dx.doi.org/10.1351/pac199062071285