Q:The Journal of Endocrinology is a peer-reviewed scientific journal covering all aspects of endocrinology published by Bioscientifica on behalf of the Society for Endocrinology. It is an official journal of the European Society of Endocrinology. According to the Journal Citation Reports the journal has a 2012 impact factor of 4.058 ranking it 32nd out of 122 journals in the category Endocrinology and Metabolism. Given a list of categories: company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work, what category does the paragraph belong to?
A:
Written Work