_Entry.Date_hold_chemical_shifts
| Description | At an author's request the NMR chemical shift data may be held after processing for some period of time. |
| Details: | |
| Parent saveframe | entry_information |
| Data type | yyyy-mm-dd |
| DB table | Entry |
| DB column | Date_hold_chemical_shifts |
| DB type | DATETIME year to day |
| NULL allowed | yes |