Expression of concern: Determination of heavy metals in cow's and buffalo's fresh raw milk from different areas of Pakistan

The publisher of Arab Gulf Journal of Scientific Research is issuing an expression of concern for the article Abid, K., Shams, Z.I., Tahir, M.S. and Zubair, A. (2024), “Determination of heavy metals in cow's and buffalo's fresh raw milk from different areas of Pakistan”, Arab Gulf Journal of Scientific Research, Vol. 42 No. 3 pp. 757-770, doi: https://doi.org/10.1108/AGJSR-11-2022-0266, to inform readers that concerns have been raised regarding the adherence to appropriate reporting standards for animal testing and that sufficient ethical approval has not been provided for this research and does not feature in the published text. Despite numerous attempts to contact the authors, the journal has received no response; the response of the authors would be gratefully received.