Derya Öztuna

Investigation of Four Different Normality Tests in Terms of Type 1 Error Rate and Power under Different Distributions

Derya Öztuna, Atilla Halil Elhan, Ersöz Tüccar · DergiPark (Istanbul University) · 2006 · 317 citations · Full text

Effects of cryopreservation on sperm parameters and ultrastructural morphology of human spermatozoa

Sinan Özkavukçu, Esra Erdemlı, Derya Öztuna et al. · Journal of Assisted Reproduction and Genetics · 2008 · 270 citations · Full text

Infertility, Andrology, Developmental Biology +14

Effects of antioxidants on post-thawed bovine sperm and oxidative stress parameters: Antioxidants protect DNA integrity against cryodamage

Mustafa Numan Bucak, Pürhan Barbaros Tuncer, Serpil Sarıözkan et al. · Cryobiology · 2010 · 202 citations

Fertility, Oxidative Stress Parameters, Genetics +9

Medical students’ self-efficacy in problem-based learning and its relationship with self-regulated learning

Meral Demirören, Sevgi Turan, Derya Öztuna · Medical Education Online · 2016 · 188 citations · Full text

A New Scoring System for Predicting Stone-free Rate After Retrograde Intrarenal Surgery: The “Resorlu-Unsal Stone Score”

Berkan Reşorlu, Ali Ünsal, Handan Güleç et al. · Urology · 2012 · 169 citations

Urology, Retrograde Intrarenal Surgery, New Scoring System +4