Figure 1

13-cis-retinoic acid data; study day 1 for all patients shown by course; separate graphs shown by method of administration. Patient 26 received 13cisRA via an NG tube.

13-cis-retinoic acid data; study day 1 for all patients shown by course; separate graphs shown by method of administration. Patient 26 received 13cisRA via an NG tube.