title: Prevention of overfitting in cryo-EM structure determination.
authors: Sjors H W
authors: SH
authors: Scheres
authors: Shaoxia
authors: S
authors: Chen
mesh_terms: D018834:Chaperonin 60 / Q000737:chemistry; D020285:Cryoelectron Microscopy / Q000379:methods*; D004601:Elementary Particles; D006515:Hepatitis B virus / Q000737:chemistry; D001616:beta-Galactosidase / Q000737:chemistry
chemical_list: D018834:Chaperonin 60; D001616:beta-Galactosidase