As used in this act:
a. "Primary screening" means the initial evaluation of a person through history, physical examination and routine tests to determine the possible existence of physical changes due to diethylstilbestrol exposure; and
b. "Secondary screening" means a follow-up evaluation with specialized diagnostic measures of a person identified in a primary screening as having a high probability of being diethylstilbestrol exposed, in order to confirm the existence of changes attributed to that exposure.