Manisha Bhatti, Anjoo Kamboj and Ajay Kumar Saluja (2012) “Phytochemical Screening and In-Vitro Evaluation of Antioxidant Activities of Various Extracts of Leaves and Stems of Kalanchoe crenata ”, Journal of Pharmacy and Nutrition Sciences , 2(1), pp. 104–114. doi: 10.6000/1927-5951.2012.02.01.14.