CFR > Title 21 - Food and Drugs > CHAPTER I—FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES > SUBCHAPTER D—DRUGS FOR HUMAN USE (parts 300 to 370) > PART 312—INVESTIGATIONAL NEW DRUG APPLICATION > SUBPART G—Drugs for Investigational Use in Laboratory Research Animals or In Vitro Tests (§312.160 to §312.160)