| Eyes or patients? Traps for the unwary in the statistical analysis of ophthalmological studies. RG Newcombe, GR Duff British journal of ophthalmology 71 (9), 645-646, 1987 | 131 | 1987 |
| A double‐masked crossover study comparing the effects of carteolol 1% and 2% on intra‐ocular pressure GR Duff Acta Ophthalmologica 65 (5), 618-621, 1987 | 46 | 1987 |
| Impairment of colour vision associated with amiodarone keratopathy GR Duff, AG Fraser Acta Ophthalmologica 65 (1), 48-52, 1987 | 21 | 1987 |
| The 12-hour control of intraocular pressure on carteolol 2% twice daily. GR Duff, RG Newcombe British journal of ophthalmology 72 (12), 890-891, 1988 | 19 | 1988 |
| A comparison of the effects of oral nadolol and topical timolol on intraocular pressure, blood pressure, and heart rate. GR Duff, AH Watt, PA Graham British journal of ophthalmology 71 (9), 698-700, 1987 | 13 | 1987 |
| A double-crossover trial comparing the effects of topical carteolol and placebo on intraocular pressure. GR Duff, PA Graham British journal of ophthalmology 72 (1), 27-28, 1988 | 10 | 1988 |
| The effect of twice daily nadolol on intraocular pressure GR Duff American journal of ophthalmology 104 (4), 343-345, 1987 | 4 | 1987 |
| THE RATE OF POSTERIOR CAPSULAR OPACIFICATION REQUIRING LASER CAPSULOTOMY IN DIFFERENT INTRAOCULAR LENSES: A CHRISTCHURCH EXPERIENCE K Ng, G Duff, R Stack CLINICAL AND EXPERIMENTAL OPHTHALMOLOGY 42, 33-34, 2014 | | 2014 |
| The Effect of Twice Daily Nadolol on Intraocular Pressure: Reply GR DUFF, PA GRAHAM American Journal of Ophthalmology 105 (4), 436, 1988 | | 1988 |
