RT Journal Article SR Electronic T1 STUDIES ON DEVELOPING RETINAL VESSELS V. MECHANISM OF VASO-OBLITERATION (A Preliminary Report) JF British Journal of Ophthalmology JO Br J Ophthalmol FD BMJ Publishing Group Ltd. SP 449 OP 460 DO 10.1136/bjo.41.8.449 VO 41 IS 8 A1 Norman Ashton A1 Clive Graymore A1 Christopher Pedler YR 1957 UL http://bjo.bmj.com/content/41/8/449.abstract AB