Husnain, G.; Ahmad, F.; Khan, F. A.; Shahzad, M. A.; Mahmood, S.; Muneer, I.; Shabbir, H.; Zeeshan, M.; Saeed, A.; Sajjad, Q. Assessment of Heavy Metals and Microbial Load in Tomato Ketchup Used in Local Market of Southern Punjab. IJBR 2025, 3, 658-668.