Level of knowledge about metalloproteinases in dental students close to graduate from three universities in Peruvian capital city. - Cayo-Rojas CF; Soto-Castro L; Castro-Mena M; Medrano-Colmenares S; López-Gurreonero C; Córdova-Limaylla N; Briceño-Vergel G; Ladera-Castañeda M; Cervantes-Ganoza L (European journal of dental education : official journal of the Association for Dental Education in Europe, 2022)