TY - JOUR AU - Michalski, C; Pomerenke, A; Kroll, U; Kelber, O; Butterweck, V TI - Antistress and antioxidant activity in mice after repeated treatment with St. John's wort extracts of different hyperforin content SN - 0032-0943 SN - 1439-0221 PY - 2007 JO - Planta Med JF - Planta Medica LA - EN VL - 73 IS - 09 SP - P_538 DA - 2007/08/28 DO - 10.1055/s-2007-987318 UR - http://www.thieme-connect.com/products/ejournals/abstract/10.1055/s-2007-987318 ER -