| They have been delivered intravascularly, intramuscularly, or transtracheally in a naked form or with the help of a vector, either viral or nonviral. |
| All tetracyclines are absorbed from the gastrointestinal tract after oral administration, and most can be given intravenously or intramuscularly. |
| Insulin is absorbed more rapidly intramuscularly than if given subcutaneously. |
| The alternative regimen is procaine penicillin G, 50,000 units per kg intramuscularly every day for 10 days. |
| Level II defines more complex procedures in which perioperative medication and sedation are used intravenously, intramuscularly, or rectally. |
| This regimen advises that an initial dose of insulin be given intravenously and intramuscularly. |
