Adjusted rate ratios for Multiple Sclerosis with different first symptoms among private subscribers to mobile phones in Denmark, 1987–1995, followed up through 2004.

Adjusted rate ratios for Multiple Sclerosis with different first symptoms among private subscribers to mobile phones in Denmark, 1987–1995, followed up through 2004.丹麦1987年至1995年手机私人签约用户群体中，伴不同首发症状的多发性硬化（Multiple Sclerosis）的校正率比，随访至2004年。