- Opioids for the management of breakthrough pain in cancer patients
- Oral corticosteroids for bronchiectasis (stable and acute exacerbations)
- Oral corticosteroids for stable chronic obstructive pulmonary disease
- Oral herbal therapies for treating osteoarthritis
- Oral morphine for cancer pain
- Oral non steroid anti-inflammatories for children and adults with bronchiectasis
- Oral non‐steroidal anti‐inflammatory drug therapy for lung disease in cystic fibrosis
- Oral or topical nasal steroids for hearing loss associated with otitis media with effusion in children
- Oral or transdermal opioids for osteoarthritis of the knee or hip
- Oral rinses, mouthwashes and sprays for improving recovery following tonsillectomy
- Oral steroids for adhesive capsulitis
- Oral steroids for long‐term use in cystic fibrosis
- Oral steroids for nasal polyps
- Orientation and mobility training for adults with low vision
- Orthodontic and orthopaedic treatment for anterior open bite in children
- Orthodontics for treating temporomandibular joint (TMJ) disorders
- Orthotic devices for the treatment of tennis elbow
- Orthotic devices for treating patellofemoral pain syndrome
- Osteotomy for treating knee osteoarthritis
- Osteotomy, compression and other modifications of surgical techniques for internal fixation of extracapsular hip fractures
The Cochrane Database of Systematic Reviews is considered the gold standard for evidence-based medicine. Essential Evidence Plus includes the latest and most up-to-date summaries of systematic reviews from the Cochrane Library, which are the most rigorous and reliable evaluations of medical therapies available. You’ll find summarized evaluations of the world’s best literature on the effectiveness of therapy for 3,300+ clinical problems.