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Pulmonary functional MRI Hyperpolarized noble gas, oxygen-enhanced 1 H, free-breathing 1 H and arterial spin labelling methods are employed in order to acquire pulmonary functional MR images

Syphilis can spread through: Vaginal, anal, or oral sex Skin-to-skin contact with a syphilitic sore Sharing sex toys without proper cleaning Transmission from mother to baby during pregnancy Syphilis does not spread through casual contact such as touching, sharing utensils, toilet seats, or swimming pools

A number of theories have been suggested

Aiming to exclude filter tip soaking and to prevent invasive effects on the lips and oral cavity, it was provided with a narrow strip of special hygienic silver foil