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| Microorganisms-- Effect of temperature on (1) |
| Plasma (Ionized gases)--Research (1) |
| Polytechnic University of Puerto Rico--Undergraduates--Posters (1) |
| Sterilization--Equipment and supplies (1) |
| Microorganisms-- Effect of temperature on (1) |
| Plasma (Ionized gases)--Research (1) |
| Polytechnic University of Puerto Rico--Undergraduates--Posters (1) |
| Sterilization--Equipment and supplies (1) |