Texas law, seizure pursuant to search warrant issued as part of criminal investigation was ex- empt from physician-patient privilege. Vernon's Ann.Texas Civ.St. art. 44956, § 5.08(6) (Repealed); Fed.Rules Cr.Proc. Rule 41(e), 18 U.S.C-A. 10. Searches and Seizures 4=450 Physician and patients alleged n