title: Ultrasonographic localization of breast tissue expander valves.
authors: Portland Adventist Medical Center, OR 97216.
authors: E K
authors: EK
authors: Darnell
authors: R V
authors: RV
authors: Demars
mesh_terms: D000328:Adult; D005260:Female; D006801:Humans; D008408:Mastectomy; D008875:Middle Aged; D019736:Prostheses and Implants; D012826:Silicone Elastomers; D014465:Ultrasonics
chemical_list: D012826:Silicone Elastomers