Studies of tumour invasion in organ culture. II. Effects of enzyme treatment.
D000818:Animals; D046508:Culture Techniques; D005318:Fetal Heart; D051379:Mice; D009374:Neoplasms, Experimental / Q000188:drug therapy*; D009438:Neuraminic Acids; D009439:Neuraminidase / Q000494:pharmacology*; D014357:Trypsin / Q000494:pharmacology*
D009438:Neuraminic Acids; D009439:Neuraminidase; D014357:Trypsin