Rule 702.1 Cross-examination of experts. (a) General. A witness testifying as an expert may be cross-examined to the same extent as any other witness and, in addition, may be cross-examined as to (1) the witness' qualifications, (2) the subject to which the witness' expert testimony relates, and (3) the matter upon which the witness' opinion is based and the reasons for the witness' opinion.

(b) Texts and treatises. If a witness testifying as an expert testifies in the form of an opinion, the witness may be cross-examined in regard to the content or tenor of any scientific, technical, or professional text, treatise, journal, or similar publication only if: