S. H. Hilal

Quaternary ammonium compounds in intact plants and cell suspension cultures of Atriplex semibaccata and A. Halimus during osmotic stress

E. Leistner, M. A. Koheil, S. H. Hilal, 1992 .

Cardenolide glycosides with doubly linked sugars from Gomphocarpus sinaicus

J. Hölzl, H. El-askary, E. A. El-kashoury, 1993 .

Cardenolide glycosides from Gomphocarpus sinaicus

J. Hölzl, H. El-askary, E. A. El-kashoury, 1995 .

A comparative study of the cardenolide content of different organs of Gomphocarpus sinaicus

J. Hölzl, H. El-askary, E. A. El-kashoury, 1995 .

Hydroxycinnamic acid amides from Iochroma cyaneum

A. Nahrstedt, E. Sattar, H. Glasl, 1990 .