The Clínica Santa María was a modern hospital located in Puntarenas, Costa Rica. One of its physicians was Dr. Cruz, who treated Tina Bowman after an attack from a Procompsognathus. Due to Cruz’s inexperience with reptile bites, he sent a sample of the presumed lizard saliva to the clinic’s on-site laboratory, and invited Dr. Marty Guitierrez, a senior field biologist, to identify the creature. After Guitierrez dismissed the bites as being caused by a harmless basilisk lizard, analysis of the saliva sample was halted, although a second test tube was sent to a university lab in San José for study.
Sources: Jurassic Park, by Michael Crichton, pages 16-19 (Fifth reprint)