551,081 O' CONNOR DAVIES PATRIC HENRY The actions and uses of ophthalmic drugs / by P[atric] H[enry] 0'Connor Davies -, 3 ed. rev. by G. A. Hopkins ; optometric adviser R.M. Pearson. - 3 ed. - London [etc.] s Butterworths, [1989]. - IX, 248 s. s il. ; 24 cm ISBN 0-407-00799-7