IMPORTANT SHIPPING INFORMATION: Sigma will be closed on 4 July 2025 in observance of the USA holiday. Book products will resume shipping on 7 July 2025. Jewelry products will resume shipping on 14 July 2025. We apologize for any inconvenience this may cause.
Nurse leaders are expected to exhibit a broad range of leadership skills necessary to keep job satisfaction and productivity levels high and turnover rates low.
Healthcare ethics help guide and influence the way physicians, nurses, and other members of the healthcare team care for patients and make decisions.