Goldberg R P, Vicks B
Skeletal Radiol. 1983;9(3):195-7. doi: 10.1007/BF00352554.
In cases of shoulder injury when clinical signs suggest a possible coracoid fracture, a 20 degree posterior oblique film with 20 degrees of cephalad angulation has been shown to demonstrate coracoid fractures when other views have been inconclusive.
