 |
| |||
| checkerboard reversal pattern (Pooh) | |||
| reverse pattern of white and black squares (shamild); reverse checkerboard pattern (shamild) | |||
| реверсивный шахматный паттерн: 1 phrase in 1 subject |
| Ophthalmology | 1 |
|
| |||
| checkerboard reversal pattern (Pooh) | |||
| reverse pattern of white and black squares (shamild); reverse checkerboard pattern (shamild) | |||
| реверсивный шахматный паттерн: 1 phrase in 1 subject |
| Ophthalmology | 1 |