8 EXHIBIT 99.H AGREEMENT TO FILE JOINTLY We, the undersigned, hereby express our agreement that the Schedule 13D to which this Agreement is appended is filed on behalf of each of us. HOECHST MARION ROUSSEL, INC. Date: January 9, 1997 By: /s/ James P....Hoechst Marion Roussel Inc • January 9th, 1997 • Pharmaceutical preparations
Company FiledJanuary 9th, 1997 Industry