by Taniguchi, R., Masaki, C., Murashima, Y., Makino, M., Kojo, T., Nakamoto, T., Hosokawa, R.
Published in Journal of prosthodontic research (01.07.2011)

by De Franchis, R, D'Arminio, A, Vecchi, M, Ronchi, G, Del Ninno, E, Parravicini, A, Ferroni, P, Zanetti, A R
Published in Gastroenterology (New York, N.Y. 1943) (01.09.1980)

by Lai, C L, Lok, A S, Lin, H J, Wu, P C, Yeoh, E K, Yeung, C Y
Published in The Lancet (British edition) (17.10.1987)