The documentary promotes and demonstrates the process of blood donation and even depicts a cesarean section to convince the public of the urgency to donate blood.
| Release Date | January 1, 1963 | |
|---|---|---|
| Status | Released | |
| Original Title | Una gota de sangre | |
| Runtime | 12min | |
| Budget | — | |
| Revenue | — | |
| Language | Spanish | |
| Original Language | Spanish | |
| Production Countries | Puerto Rico | |
| Production Companies | Film Unit of the Division of Community Education, Puerto RicoDivedco | |