It looks like you're using Internet Explorer 11 or older. This website works best with modern browsers such as the latest versions of Chrome, Firefox, Safari, and Edge. If you continue with this browser, you may see unexpected results.
Help medical students to learn smarter, with access to hundreds of acclaimed textbooks, powerful study tools and a library of video resources.; UPH USERS MUST FIRST CREATE A FREE PNRI ACCOUNT at https://keanggotaan.perpusnas.go.id/daftar.aspx
A unique, free, information resource for biomedical and health researchers. Results sorted by Reviews, Biological Patents, Randomized Controlled Trials, All Clinical Trials, Full text articles. Also provides Cited By information.