N. El-Sayed Et Al. , "Sesquiterpene lactones from Chromolaena opadoclinia," Phytochemistry , vol.27, no.10, pp.3312-3314, 1988
El-Sayed, N. Et Al. 1988. Sesquiterpene lactones from Chromolaena opadoclinia. Phytochemistry , vol.27, no.10 , 3312-3314.
El-Sayed, N., Miski, M., Whittemore, A. T., & Mabry, T. J., (1988). Sesquiterpene lactones from Chromolaena opadoclinia. Phytochemistry , vol.27, no.10, 3312-3314.
El-Sayed, N.H. Et Al. "Sesquiterpene lactones from Chromolaena opadoclinia," Phytochemistry , vol.27, no.10, 3312-3314, 1988
El-Sayed, N.H. Et Al. "Sesquiterpene lactones from Chromolaena opadoclinia." Phytochemistry , vol.27, no.10, pp.3312-3314, 1988
El-Sayed, N. Et Al. (1988) . "Sesquiterpene lactones from Chromolaena opadoclinia." Phytochemistry , vol.27, no.10, pp.3312-3314.
@article{article, author={N.H. El-Sayed Et Al. }, title={Sesquiterpene lactones from Chromolaena opadoclinia}, journal={Phytochemistry}, year=1988, pages={3312-3314} }