A class of drugs called phenothiazines were discovered by a. P. B. Fitzgerald.
b. Henri Laborit.
c. Van Voorhees.
d. Sigmund Freud.

B

Explanation:

Henri Laborit

also search the question on the web

answer; a database is an organized collection of data in digital format that users to keep track of information;

answerblank(1)///voluntaryblank(2)// internal;