A documentary about the artistic and verbal expressions of mentally ill people.
| Release Date | January 1, 1965 | |
|---|---|---|
| Status | Released | |
| Original Title | Výzva do ticha | |
| Runtime | 12min | |
| Budget | — | |
| Revenue | — | |
| Language | Czech | |
| Original Language | Czech | |
| Production Countries | Czechoslovakia | |
| Production Companies | ||