OpenStax

OpenStax nursing and health-sciences textbooks cover anatomy, physiology, microbiology and foundations of patient care. Explore educational chapters and learning resources for students and educators; these textbooks are distinct from clinical practice guidelines.

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Covers
Free educational textbooks on nursing, anatomy, physiology, microbiology and related foundations; not clinical practice guidelines.
Region
United States / global education
Language
Primarily English; translations vary
Access
Public full text

Sites Rhazes searches

When a chat uses this library, Rhazes searches these sites, and nothing else on the web, and cites the pages it used.

Public access to these sites was last checked on October 28, 2026.