S. Vignesh, M. Monika, R. Menaka, K. Sudhamathi Pushparaj, “Pilot Study on the Efficacy of Siddha Formulation Vithuvagai Chooranam in the Management of Aan Maladu (Oligospermia) ”, IJPRT, vol. 15, no. 2, pp. 3112–3126, Nov. 2025.