Spinal cord section showing the white and the gray matter in four spinal cord levels. The gray matter mainly contains the cell bodies of neurons and glia and is divided into four main columns: dorsal horn, intermediate column, lateral horn and ventral horn column.
Merck's Patient Assistance Programs to Help Those in Need. Contact Us. If you have any general questions about the Merck patient assistance programs, please call 1-800-727-5400, Monday through Friday, 8 AM to 8 PM EST. For contact information about a specific program, please refer to the program information on the Programs page.
AICD/pacemakers. Contact phone numbers for the following three. vendors are as follows: ST JUDE MEDICAL 1-800 722-3423. BOSTON SCIENTIFIC 1-800 227-3422. MEDTRONIC (518) 455-0001 OR 1-877 375-9200.