|Neuroendocrine tumors are also referred to as neoplasms; these are abnormal growth of tissues that arise from endocrine (hormonal) cells and nervous systems. Many are harmless in the long run (benign), while some become progressively worse (malignant). These neuroendocrine tumors are often called carcinoid tumors which most commonly occur in the intestine. The top journals are peer reviewed scholarly journals of green chemistry. These provide high quality, meticulously reviewed and rapid publication, to cater the insistent need of scientific community. These journals are indexed with all their citations noted. The top open access journals are indexed in SCOPUS, COPERNICUS, CAS, EBSCO and ISI.