Vanysek, Jan. Ultrasonography in ophthalmology : [by] Jan Vanysek, Juliana Preisova [and] Jaroslav Obraz. - London : Butterworth; Prague, Czechoslovak Medical Press, [1970?] Subjects--Topical Terms: Ultrasonics -- diagnostic use.--Ultrasonics -- diagnostic use.Eye Diseases -- diagnosis.--Eye Diseases -- diagnosis. National Library of Medicine Call No.: WW 143 / V285u 1970