El-Hammady, M., A. N. Girgis, H. M. Mazyad, and M. A. Shafie,
"Virus diseases of some medicinal plants in Egypt VI. Effect of different viruses on growth and total alkaloids of Egyptian henbane (Hyoscyamus muticus L.).",
Acta Phytopathologica Academiae Scientiarum Hungaricae, vol. 17, issue 3/4, pp. 261-268, 1982.
Abstractn/a