| Abbreviations | Meaning |
 | SHEIIBA | Safety, Health And Environment Intra Industry Benchmarking Association |
 | SHHH | Self Help For Hard Of Hearing People |
 | SHLA | Saskatchewan Health Libraries Association |
 | SHM | Society Of Hospital Medicine |
 | SHOW | Scottish Health On The Web |
 | SHPIC | Scottish Health Purchasing Information Centre |
 | SHPM | Self-Help & Psychology Magazine |
 | SHPPS | School Health Policies And Programs Study |
 | SHRM | Society For Human Resource Management |
 | SHRS | School Health Resource Services |
 | SHS | Society For Human Sexuality |
 | SHSC | Scottish Health Services Centre |
 | SHSMD | Society For Healthcare Strategy & Market Development |
 | SHSRR | Society For Health Services Research In Radiology |
 | SHVD | Society For Heart Valve Disease |
 | SIA | Safety Institute Of Australia |
 | SIA | Spinal Injuries Association |
 | SIAARTI | Società Italiana Di Anestesia, Analgesia, Rianimazione E Terapia Intensiva |
 | SIAIC | Società Italiana Allergologia Ed Immunologia Clinica |
 | SIAM | Système D'Information De L'Assurance Maladie |
 | SIAPEC | Societô Italiana Di Anatomia Patologica E Citopatologia Diagnostica |
 | SIAPEC-IAP | Societô Italiana Di Anatomia Patologica E Citopatologia Diagnostica. Divisione Italiana Della International Academy Of Pathology |
 | SIB/ SIB / ISB | Schweizerisches Institut Für Bioinformatik / Swiss Institute Of Bioinformatics / Institut Suisse De Bioinformatique |
 | SIC / ISS | Société Internationale De Chirurgie / International Society Of Surgery |
 | SICB | Society For Integrative And Comparative Biology |
 | SICOT | Société Internationale De Chirurgie Orthopédique Et De Traumatologie. International Society Of Orthopaedic Surgery And Traumatology |
 | SICP | Society Of Invasive Cardiovascular Professionals |
 | SID | Society For Investigative Dermatology |
 | SID | State Inpatient Database |
 | SIDAPA | Società Italiana Di Dermatologia Allergologica Professionale E Ambientale |
 | SIDEC | Società Italiana Di Dermatologia Estetica E Correttiva |
 | SIDO | Società Italiana Di Ortodonzia. Italian Orthodontic Society |
 | SIDONI | Serveur D'Images Et De Données En Oncologie Nucléaire Sur Internet |
 | SIDP | Società Italiana Di Parodontologia |
 | SIDS NETWORK | Sudden Infant Death Syndrome Network |
 | SIDUO | Societas Internationalis Pro Diagnostica Ultrasonica In Ophthalmologia |
 | SIE | Società Italiana Di Endocrinologia |
 | SIEC | Suicide Information And Education Centre |
 | SIECUS | Sexuality Information And Education Council Of The United States |
 | SIFADENT | Syndicat Des Industries Française Pour L'Art Dentaire. French Dental Manufacturers Association |
 | SIFO | Société Des Infirmières Francophones En Ophtalmologie |
 | SIGLE | System For Information On Grey Literature In Europe [database] |
 | SIGN | Scottish Intercollegiate Guidelines Network |
 | SIGU | Società Italiana Di Genetica Umana |
 | SIH | Système D'Information Hospitalier |
 | SIHM / ISHM | Société Internationale D'Histoire De La Médecine. Societas Internationalis Historiæ Medicinæ / International Society For The History Of Medicine |
 | SIIEQ | Syndicat Des Infirmières Et Infirmiers De L'Est Du Québec |
 | SIIHHF | Société Des Infirmiers Et Infirmières En Hygiène Hospitalière De France |
 | SIIM | Society For Imaging Informatics In Medicine [Previously: Society For Computer Applications In Radiology (SCAR)] |
 | SILD | Società Italiana Di Laser Dermatologia |