@misc{indiciae1c2cb2d4e065, title = {[The smear layer. Characteristics and interactions. 1].}, author = {P L Negri and S Eramo and M Lotito and C De Pino}, year = {1991}, url = {https://pubmed.ncbi.nlm.nih.gov/2070909/}, note = {Source identifier: 2070909} }