Items where authors include "Porthouse, J."

Article

Dumville, J.C., Miles, J.N., Porthouse, J. et al. (3 more authors) (2006) Can vitamin D supplementation prevent winter-time blues? A randomised trial among older women. The Journal of Nutrition, Health & Aging, 10 (2). pp. 151-153. ISSN 1279-7707

Torgerson, C.J., Torgerson, D.J., Birks, Y.F. et al. (1 more author) (2005) A comparison of randomised controlled trials in health and education. British Educational Research Journal, 31 (6). pp. 761-785. ISSN 0141-1926

Porthouse, J., Cockayne, S., King, C. et al. (12 more authors) (2005) Randomised controlled trial of calcium and supplementation with cholecalciferol (vitamin D3) for prevention of fractures in primary care. British Medical Journal, 330 (7498). pp. 1003-1009. ISSN 0959-8138

Puffer, S., Porthouse, J., Birks, Y. et al. (2 more authors) (2004) Increasing response rates to postal questionnaires: a randomised trial of variations in design. Journal of Health Services Research & Policy, 9 (4). pp. 213-217. ISSN 1355-8196

Birks, Y.F., Porthouse, J., Addie, C. et al. (1 more author) (2004) Randomized controlled trial of hip protectors among women living in the community. Osteoporosis International, 15 (9). pp. 701-706. ISSN 0937-941X

Porthouse, J., Birks, Y.F., Torgerson, D.J. et al. (3 more authors) (2004) Risk factors for fracture in a UK population: a prospective cohort study. Quarterly Journal of Medicine, 97 (9). pp. 569-574. ISSN 1460-2725