| You can now buy bonds whose payments are tied to the occurrence of hurricanes or to the receipts of rock stars. |
| The frequency of occurrence of conduits within different area classes decreases with increasing area. |
| There is arguably evidence for the occurrence of calcareous nannoplankton in the Mochras core. |
| This unique form of datolite hails from the legendary Lake Superior copper deposits, home to the world's largest occurrence of native copper. |
| Define the risk factors that affect the occurrence and natural history of the disease. |
| The occurrence of neuropsychiatric symptoms in dementia patients has been well established. |
