Mathew, P., Austin, R. D., Varghese, S. S., & Manojkumar. (2014). Estimation and Comparison of Copper Content in Raw Areca Nuts and Commercial Areca Nut Products: Implications in Increasing Prevalence of Oral Submucous Fibrosis (OSMF). JCDR Research and Publications (P) Limited.

Mathew, Philips, Ravi David Austin, Soma Susan Varghese, und Manojkumar. Estimation and Comparison of Copper Content in Raw Areca Nuts and Commercial Areca Nut Products: Implications in Increasing Prevalence of Oral Submucous Fibrosis (OSMF). JCDR Research and Publications (P) Limited, 2014.

Mathew, Philips, Ravi David Austin, Soma Susan Varghese, und Manojkumar. Estimation and Comparison of Copper Content in Raw Areca Nuts and Commercial Areca Nut Products: Implications in Increasing Prevalence of Oral Submucous Fibrosis (OSMF). JCDR Research and Publications (P) Limited, 2014.