opinion: UNITED STATES v. CHAS. PFIZER & CO., INC., et al.
  No. 70-72.
  Argued January 12, 1972
  Decided January 24, 1972
  Deputy Solicitor General Friedman argued the cause for the United States. With iiim on the briefs were Solicitor General Griswold, Assistant Attorney General McLaren, Harry R. Sachse, Howard E. Shapiro, and Harry G. Sklarsky.
  John E. F. Wood argued the cause for respondents. With him on the brief for Chas. Pfizer & Co., Inc., were Judson A. Parsons, Jr., J. Paul McGrath, Paul Sherman, and Arthur G. Connolly. Roy W. McDonald, Ralstone R. Irvine, and Richard Y. Holcomb filed a brief for respondent American Cyanamid Co. Merrell E. Clark, Jr., and Henry J. Zafian filed a brief for respondent Bristol-Myers Co.
  Per Curiam.
  The judgment is affirmed by an equally divided Court.
  Mr. Justice Stewart, Mr. Justice White, and Mr. Justice Marshall took no part in the consideration or decision of this case.
choices: stay, petition, or motion granted affirmed (includes modified) reversed reversed and remanded vacated and remanded affirmed and reversed (or vacated) in part affirmed and reversed (or vacated) in part and remanded vacated petition denied or appeal dismissed certification to or from a lower court no disposition