Try Spherotech, Tel: 708 680 8922 1840 Industrial Dr. Suite 270
Fax 708 680 8927 Libertyville.
Illinois 60048.
They have a wide range of sizes and colours and give very acceptable
C.V.s on a Vantage.
Jill Martin, Manager,
Molecular Biology & Flow Cytometry Core
Johnson Research Building
Mayo Clinic Scottsdale
602-301-6071
email: jmartin@mayo.edu or martin.jill@mayo.edu