D. Puerto Rico January 1991 casesBetancourt Betancourt v. Secretary of Health & Human ServicesErva Pharmaceuticals, Inc. v. American Cyanamid Co.Cassagnol-Figueroa v. U.S.Morales Feliciano v. Hernandez ColonCont. Grain v. P.R. Maritime Shipng.Cooperativa Ahorro y Cred. v. KidderDopp v. HTP Corp.Van Blargan v. Williams HospitalityBolivar v. PocklingtonGonzalez v. Secretary of Health and Human ServicesK-Mart Corp. v. Davis