CALIFORNIA EVIDENCE: CIVIL AND CRIMINAL
...Privileges
......Attorney Work Product
.........Expert's Reports/Documents
............Expert Witness
3 Cards On This Topic:

Pretrial exchange of expert lists may include exchange of discoverable reports.

D waived any challenge to unredacted contents of interviews on which expert relied by injecting his mental state as issue in case, and calling expert to testify.

Good cause for production includes need to prepare cross-examination of expert.