@article{ljs31021,
 author={C. Madubuike, P. and E. Ezemokwe, D.},
 year={2017},
 title={Comparative study of heavy metals in some selected medicinal plants},
 journal={Leonardo J. Sci.},
 volume={16},
 number={31},
 pages={21-28},
 url={http://ljs.academicdirect.org/A31/021_028.pdf}
}