Hamad MF, Shelko N, Kartarius S, Montenarh M and Hammadeh MH (2014). Impact of cigarette smoking on histone (H2B) to protamine ratio in human spermatozoa and its relation to sperm parameters. Andrology, 2: 666–677.
Montenarh M, Shelko N and Hammadeh ME (2014). Rauchen schädigt Erbgut in Spermien und vermindert die Fruchtbarkeit von Männern. Magazin forschung Universitat des Saarlands: 4-6.
Shelko N, Hamad MF, Montenarh M and Hammadeh ME (2016). The influence of cigarette smoking on sperm quality and sperm membrane. Current Women`s Health Reviews USA.
Shelko N, Hamad MF, Montenarh M and Hammadeh ME (2016) The structure of human sperm transition proteins of normo- and subnormospermia and its relationship with DNA integrity and conventional sperm parameters. Human reproduction, 31: 137. (Abstract).
Shelko N, Montenarh M and Hammadeh ME (2016) The impact of smoking on protamine and histone variants alteration and DNA integrity. Deutsche Gesellschaft für Andrologie. (Oral presentation).
Shelko N (2017) The impact of cigarettes smoking on DNA integrity and sperm protein (histone, transition protein and protamines) alterations. Doktorarbeit, Universität des Saalandes, Unihomburg.
Amor H, Shelko N, Hammadeh MH (2017) The effect of cotinine concentration in seminal plasma on semen parameters of patients undergoing ART therapy. The academy of human reproduction. (Abstract).
Hamad MF, Shelko N, Montenarh M and Hammadeh MH (2019) The impact of cigarette smoking on protamines 1 and 2 transcripts in human spermatozoa. Human Fertility, 1-7.