26 December 2020
: Case report 
A Case of Lingua Villosa Nigra (Black Hairy Tongue) in a 3-Month-Old Infant
Mistake in diagnosis, Unusual or unexpected effect of treatment, Diagnostic / therapeutic accidents, Unexpected drug reaction, Rare disease, Educational Purpose (only if useful for a systematic review or synthesis)
Joanna E. Owczarek-Drabińska1ABCEF*, Małgorzata Radwan-Oczko1CEGDOI: 10.12659/AJCR.926362
Am J Case Rep 2020; 21:e926362
Table 2. Interpretation of total scores of the Naranjo adverse drug reaction probability scale.
| Naranjo score | Interpretation |
|---|---|
| ≥9 | Definite |
| 5–8 | Probable |
| 1–4 | Possible |
| 0 | Doubtful |