«Sources: CNN's Gupta Approached for Surgeon General». CNN. 6 de enero de 2008. Consultado el 30 de marzo de 2023. «The Obama transition team approached Dr. Sanjay Gupta, CNN's chief medical correspondent, about becoming U.S. surgeon general, according to sources inside the transition and at CNN.»
Tumialán, Luis M.; Walkup, Raymond R.; Gupta, Sanjay K. (May 2008). «Minimally Invasive Retrieval of a Bullet from the L5‑S1 Neural Foramina after Transperitoneal Gunshot Wound: Technical Report». The Spine Journal (Elsevier) 9 (2): 169-173. ISSN1529-9430. PMID18468958. doi:10.1016/j.spinee.2008.03.008.
Tumialán, Luis M.; Walkup, Raymond R.; Gupta, Sanjay K. (May 2008). «Minimally Invasive Retrieval of a Bullet from the L5‑S1 Neural Foramina after Transperitoneal Gunshot Wound: Technical Report». The Spine Journal (Elsevier) 9 (2): 169-173. ISSN1529-9430. PMID18468958. doi:10.1016/j.spinee.2008.03.008.
Tumialán, Luis M.; Walkup, Raymond R.; Gupta, Sanjay K. (May 2008). «Minimally Invasive Retrieval of a Bullet from the L5‑S1 Neural Foramina after Transperitoneal Gunshot Wound: Technical Report». The Spine Journal (Elsevier) 9 (2): 169-173. ISSN1529-9430. PMID18468958. doi:10.1016/j.spinee.2008.03.008.
Neergaard, Lauran (7 de enero de 2009). «CNN: Gupta Approached about Surgeon General Post dead link». Yahoo! News. Associated Press. Consultado el 30 de marzo de 2023. «The pair raised questions about drug-company sponsorship of some programs Gupta hosted [...] and [...] urged careful examination of any potential conflicts of interest.»