Influence of seasonal variation on steroidal content and in vivo post-coital antifertility activity of bark extracts of Caesalpinia pulcherrima Linn - Benson Mathai Kochikuzhyil; Mansour Almuqbil; Syed Mohammed Basheeruddin Asdaq; Abdul Rahim Huma; Ruby Benson; Kuntal Das; Majeshwar Shrinath Baliga; Subash Philip; Ahmed Alshehri; Adel Alghamdi; Moneer E. Almadani; Farhana Yasmin; et al. (South African Journal of Botany, 2024)