| Answer | Crossword Clue |
|---|---|
| prothrombins | PROTHROMBIN, a proteinlike substance present in blood plasma |
| Answer | Crossword Clue |
|---|---|
| prothrombins | PROTHROMBIN, a proteinlike substance present in blood plasma |
Crossword
a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.