Abstract screening is a necessary step in conducting a thorough and efficient systematic assessment. • Before screening begins • During abstract screening • After screening ends Continue Reading: https://bit.ly/2UmT1HQ For our services: https://pubrica.com/services/research-services/systematic-review/ Why Pubrica: When you order our services, We promise you the following – Plagiarism free | always on Time | 24*7 customer support | Written to international Standard | Unlimited Revisions support | Medical writing Expert | Publication Support | Biostatistical experts | High-quality Subject Matter Experts.   Contact us:      Web: https://pubrica.com/  Blog: https://pubrica.com/academy/  Email: [email protected]  WhatsApp : +91 9884350006  United Kingdom: +44-1618186353