Society of Diabetic Nephropathy Prevention Journal of Nephropathology 2251-8363 8 2 2019 04 01 Steroid-resistant minimal change disease with ballooned podocytes e19 e19 10.15171/jnp.2019.19 EN Francesco Fortarezza Maria Grazia Fiore Michele Rossini Domenico Piscitelli Loreto Gesualdo Leonardo Resta Roberta Rossi Journal Article 10.15171/jnp.2019.19 2017 03 02 2017 09 04 Minimal change disease CMV infection ACTN4 gene