Medical Letter on Drugs and Therapeutics, 52(1351): 89-90.

The Medical Letter on Drugs & Therapeutics, 2002; vol 44: pp 71-73.

Medical Letter on Drugs and Therapeutics, 51(1309): 26-27.

Medical Letter on Drugs and Therapeutics, 48(1234): 38-39.

Medical Letter on Drugs and Therapeutics, 50(1292): 61-63.

Medical Letter on Drugs and Therapeutics, 47(1199): 1-3.

Medical Letter on Drugs and Therapeutics, 47(1210): 45-46.

Medical Letter on Drugs and Therapeutics, 45(1149): 9-10.

Medical Letter on Drugs and Therapeutics, 52(1339): 41.

Medical Letter on Drugs and Therapeutics, 51(1313): 41.