Docket No. 43773. October 16, 1978. COUNSEL Casey Casey and James N. Casey for Petitioner. No appearance for Respondent. Gassett, Perry, Frank Bondelie, William L. Reagan and John S. Burton for Real Party in Interest. OPINION ROUSE, J. Petitioner, plaintiff in a personal injury action, seeks relief by extraordinary writ after respondent court granted a defense motion to compel further answers to interrogatories and to compel compliance with a subpoena duces tecum requiring the production of medical