Br. Kuźma, oprócz działalności edukacyjnej i aktywnej praktyki medycznej, prowadzi badania medyczne. Jest autorem wielu publikacji naukowych, a także członkiem organizacji medycznych, m.in.: PNGMS – Member of PNG Medical Society, Member of PNG Surgical Society, AOA (Member of Australian Orthopaedic Association).
Wybrane publikacje Kevau, I., Kuzma, J. (2013). Randomized Clinical Trial to compare single dose vs. 3 doses of prophylactic antibiotic in open reduction and internal fixation of fractures of long bones. PNG Med J (in press) Kuzma, J., Kune, G. (2010) Impact of childhood surgical conditions on children health in Madang Province. Paper presented at 46th Annual Medical Symposium, Wewak, PNG Kuzma, J. (2009). Tertiary specialized care in PNG: obstructed or improved by partial privatization. Paper presented at Medical Symposium, Port Moresby, PNG Kuzma, J. (2008). Randomized clinical trial to compare the length of hospital stay and morbidity for early feeding with opioid-sparing analgesia versus traditional care after open appendectomy. Clinical Nutrition. 27,694-699 Kuzma, J. (2006). Surgery for Primary Health Workers in PNG, textbook for Health Extension Officers, DWU Press, Madang Kuzma, J. (2006). Management of old Monteggia’s fractures.