| MDF® ProCardial Core® Stethoscope | 06940211612897 | MDF Instruments Medifriend Inc. | Class I | |
| MDF® ProCardial Core® Stethoscope | 06940211621516 | MDF Instruments Medifriend Inc. | Class I | |
| MDF® ProCardial Core® Stethoscope | 06940211621523 | MDF Instruments Medifriend Inc. | Class I | |
| MDF® ProCardial Core® Stethoscope | 06940211621530 | MDF Instruments Medifriend Inc. | Class I | |
| MDF® ProCardial Core® Stethoscope | 06940211621547 | MDF Instruments Medifriend Inc. | Class I | |
| MDF® ProCardial Core® Stethoscope | 06940211621554 | MDF Instruments Medifriend Inc. | Class I | |
| MDF® ProCardial Core® Stethoscope | 06940211621714 | MDF Instruments Medifriend Inc. | Class I | |
| MDF® ProCardial Core® Stethoscope | 06940211627976 | MDF Instruments Medifriend Inc. | Class I | |
| MDF® ProCardial Core® Stethoscope | 06940211627983 | MDF Instruments Medifriend Inc. | Class I | |
| MDF® ProCardial Core® Stethoscope | 06940211635971 | MDF Instruments Medifriend Inc. | Class I | |
| MDF® ProCardial Core® Stethoscope | 06940211699225 | MDF Instruments Medifriend Inc. | Class I | |