فهرس المقالات Safety status حرية الوصول المقاله صفحة الملخص نص كامل 1 - Assessment of Potential Human Health Risk of Heavy Metals in Waterleaf (Talinum triangulare) Sold in Major Markets in Calabar, Nigeria Udiba Udiba Michael Odey Udeme Udofia Ekom Akpan John Ama 10.22034/jchr.2022.1936423.1366