References
- Trontobas , J. Paris, , France : Rousel Uclav . Personal Communication.
- Tawakkol , Mostafa S. and Mohamed , E. 1981 . Pharmazie , 36 ( 11 ) : 2
- Peyron , J. 1965 . I Hopital , 53 : 763
- Tawakkol , Mostafa S. , Jado , Ahmad I. and Ibrahim , Said E. 1981 . Bull of Faculty of Science, Riyadh , 14