NIH:10.1354/vp.08-VP-0216-R-BC NIH:10.1354/vp.08-VP-0317-F-FL NIH:10.1354/vp.36-5-457 NIH:10.1354/vp.38-2-165 NIH:10.1354/vp.38-4-357 NIH:10.1354/vp.41-2-186 NIH:10.1354/vp.42-2-132 NIH:10.1354/vp.42-3-306 NIH:10.1354/vp.42-3-378 NIH:10.1354/vp.42-4-458 NIH:10.1354/vp.43-4-573 NIH:10.1354/vp.43-5-682 NIH:10.1354/vp.43-6-904 NIH:10.1354/vp.44-1-92 NIH:10.1354/vp.44-5-695 NIH:10.1354/vp.45-5-654