Otto Werner originally defined Werner syndrome (WS) in 1904 on the basis of sclerodermalike, thin, tight skin and bilateral cataracts. WS is also known as progeria adultorum, progeria of the adult, and pangeria.
There is no difference between the terms 'paper' and 'article'. A research paper is one where an original study has been performed. A review paper may be either a narrative review, a systematic review or a meta-analysis. A narrative review is like a book chapter: it explains a topic in detail based on previously published research.
1. 1  Original research articles - whose length is not limited and should include Title, Abstract, Methods and Materials, Results, Discussion, Conclusions, Acknowledgements and References. As a guideline, a full length paper normally occupies no more than 10 printed pages of the journal, including tables and illustrations.