Retinoscopy : plus cylinder technique
Guyton, David L.
Retinoscopy : plus cylinder technique [videorecording] / by David L. Guyton. - San Francisco : American Academy of Ophthalmology, 1986. - 1 videocassette (VHS) ( 40 min. ) : sd, col. ; 1/2 in.
Retinoscopy : plus cylinder technique [videorecording] / by David L. Guyton. - San Francisco : American Academy of Ophthalmology, 1986. - 1 videocassette (VHS) ( 40 min. ) : sd, col. ; 1/2 in.
