生物系统：开放获取

Effect of Guava (Psidium guajava) Leaves Essential Oil on Some Reproductive Parameters in Male Guinea Pig (Cavia porcellus)

Ngoula Ferdinand, Nouboudem S Christiane, Kenfack Augustave, Tadondjou C D’Alex, Kana J Raphael, Kouam Jean-Marc, Tsafack Borice, Ngoumtsop V Herman, Nguemdjo T Maryvone, Akassa Herman, Ousmane Issa Abdel Djalil, Kamtchouing Pierre, Marco Galeotti and Tchoumboue Joseph

A Discussion of the Role of Complex Evolved Systems in the Development of Invasive Cardiovascular Interventions as Illustrated by the Blalock- Taussig Shunt and Intra-Arterial Stents

Ray Greek