Viruses, skin lesions, and liquid nitrogen.
Carroll
W E
WE
Pinnick
H A
HA
Ellis
M L
ML
D015925:Cryopreservation; D004866:Equipment Contamination; D006801:Humans; D007642:Keratosis / Q000628:therapy* / Q000821:virology; D009584:Nitrogen; D014777:Virus Diseases / Q000628:therapy / Q000635:transmission*
D009584:Nitrogen