R, S., N, S., K, S.P., U, C. and R, M. 2025. Heavy metal analysis and aflatoxin assay of siddha formulation Peenisa chooranam. International Journal of Pharmaceutics and Drug Analysis. 13, 4 (Oct. 2025), 1-3. DOI:https://doi.org/10.47957/ijpda.v13i4.656.