Safety consumption of heavy metals (Cd and Pb) in edible tissues of paddy eel, Monopterus albus, from paddy cultivation areas - Sow, Ai Yin; Ismail, Ahmad; Zulkifli, Syaizwan Zahmir; Azmai, Mohammad Noor Amal (Department of Biology, Faculty of Science, Universiti Putra Malaysia, 2014)