An Application of HPLC for Identification of Abietane-Type Pigments from Salvia miltiorrhiza and their Effects on Post-Hypoxic Cardiac Contractile Force in Rats - Okamura, Nobuyuki; Sato, Mikiko; Yagi, Akira; Tanonaka, Kouichi; Takeo, Satoshi (Planta Medica, 1992)