title: Some factors affecting the viability of freeze-thawed T4 bacteriophage.
mesh_terms: D000596:Amino Acids / Q000494:pharmacology; D001412:Bacillus subtilis / Q000187:drug effects; D003090:Coliphages / Q000187:drug effects; D003470:Culture Media; D005615:Freezing; D009996:Osmotic Fragility; D010461:Peptones / Q000494:pharmacology; D011189:Potassium Chloride / Q000494:pharmacology; D012965:Sodium Chloride / Q000494:pharmacology
chemical_list: D000596:Amino Acids; D003470:Culture Media; D010461:Peptones; D012965:Sodium Chloride; D011189:Potassium Chloride