| First Author | Date of Publication | Study Design | Level of Evidence | Study Population | Therapy or Exposure | Outcome/Results |
| Martha Linet | December 2013 | Review | 1 | Cellular phone users | Analogue and digital cellular phones | Data is inconclusive to suggest a linkage between factors. |
| Peter Kan | June 7, 2007 | Meta Analysis | 3 | Cellular phone users | Analogue or digital cellular phones | No overall increased risk of brain tumors among cellular phone users. |
| Michael Kundi | September 26, 2008 | Review | 1 | Cellular phone users | Cellular phone | The overall evidence speaks in favor of an increased risk, but its magnitude cannot be assessed at present because of insufficient information on long-term use. |
| Peter D. Inskip | July 16, 2010 | Log linear model | 3 | Caucasian patients diagnosed with brain tumor | Radiofrequency radiation from cellular phones | Incident data does not provide support to the view that cellular phone use causes brain cancer. |
| Suvi Larjavaara | February 12, 2011 | Case-Case analysis | 4 | Glioma Brain tumor patients and a control group | Cellular phones | There is no association between glioma development and regular mobile phone use regardless of duration of use and laterality. |
| J Schuz | August 15, 2011 | Meta-analysis | 4 | Cellular phone users | Cellular phones | Currently there’s no correlation between cell phone use and vestibular schwannomas. |
| Denis Aydin | April 2, 2012 | Case-control study | 3 | Children and adolescents aged 7 - 19 years diagnosed with brain tumor | Mobile phones | Absence of exposure ? response relationship. |
| H. Collatz Christense-n | April, 2005 | Case-control study | 4 | Patients with Glioma or meningioma aged 20 to 69 | Cellular phones | No association between use of cellular telephones and risk for glioma or meningioma. |
| Elisabeth Cardis | August 23, 2011 | Case-control Study | 3 | Patients with newly diagnosed acoustic neuroma | Mobile telephone | No increase in the risk of acoustic neuroma with the use of mobile phones regularly. |
| M. Mandala | 2014 | Case-control study | 3 | Cellular phone users | Mobile and portable telephones | Mobile phone use is not related to risk of auditory nerve damage or tumor development. |
| Anna Lahkola | 2006 | Meta-analysis | 4 | Long term mobile phone users (more than 5 years) | Mobile phones | No substantial increase in risk of intracranial tumors from mobile phone use for a period of at least 5 years. |
| M. Schoemaker | August 30, 2005 | Meta-analysis | 3 | Patients diagnosed with acoustic neuroma | Mobile phones | No risk of acoustic neuroma in the first 10 years after starting mobile phone use. |
| Victoria Benson | March 28, 2013 | Case-control study | 1 | Female patients diagnosed with intracranial tumors | Cellular phones | Mobile phone use was not associated with increased incidence of glioma, meningioma, or non-CNS cancers. |
| S Lonn | March 15, 2005 | Meta-analysis | 4 | Cellular phone users with brain tumors | Cellular phones | Mobile phone use is unrelated to an increased risk of glioma or meningioma use. |