A small ulceration with membraneformation on the under-surface of the tongue in infants with natal or neonatal teeth, caused by the lower teeth when infants are still sucking. Most frequently observed in children affected by whooping cough or diphteria.
- A. Riga:
Di una malattia della prima infanzia, Probabilmente non trattata, di movimenti patologici. Napoli, 1881.
- F. Fede:
Della produzione sottolinguale o malattia di Riga.
Atto Congresso italiano di pediatria 1890. Napoli, 1891: 251.
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