Pinheiro, Elayne B. F., Juliana G. A. Silva, Caroline G. Sampaio, Maria I. B. Fernandes, and Maria G. V. Silva. 2016. “SEASONAL AND CIRCADIAN VARIATION OF BARBATUSIN IN SAMPLES OF PLECTRANTHUS GRANDIS WILLENSE GROWN IN NORTHEAST BRAZIL”. International Journal of Pharmacy and Pharmaceutical Sciences 8 (7):124-28. https://journals.innovareacademics.in/index.php/ijpps/article/view/11064.