Number | Name | Date | Kind |
---|---|---|---|
5164308 | Kyle | Nov 1992 | |
5376540 | Kyle | Dec 1994 | |
5440055 | Castor | Aug 1995 | |
5466434 | Kyle | Nov 1995 | |
5627132 | LeBeau | May 1997 | |
5750709 | Castor | May 1998 | |
5854064 | Castor et al. | Dec 1998 |
Entry |
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Niesel et al., St. Johns Wort (Hypercium perforatum L.). Comparison of the Release of Hypericin and Pseudohypericin Accoridng to Different Extraction Conditions, Arch. Pharm., vol. 323, No. 9, 755see the abstract, 1990. |