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| Number | Title | Issue Date |
| 4054648 | Process for preparing a therapeutic agent Therapeutic agents are prepared by: A. grinding placenta with water or diluted physiological saline to form an emulsion, and acidifying the emulsion with a mixture of aqueous acetic acid and hydrochloric acid, to 0.5 to 2.0N; B. heating the acidified emulsion;... | 10/18/1977 |