Parental knowledge of children's motor development: A cross-sectional study in Saudi Arabia.

Background: This study was undertaken to explore parental knowledge of normal motor development. In addition, the association between parental knowledge and characteristics was investigated.

Methods: A cross-sectional design was adopted for this study.

Parenchymal Guidewire Perforation during ERCP: An Unappreciated Injury.

ERCP is attended with certain complications, the majority of which are well known to the medical community. Other less-known complications also exist. Guidewire injury to the hepatic or pancreatic parenchyma represents one of the much less appreciated, albeit preventable, complications.