Do pig cells that lack the gene for alpha1-3 galactosyltransferase express low levels of the gal antigen?
Fetal-pig fibroblasts homozygous for the knockout of the alpha1-3 galactosyltransferase gene appear to express low but detectable levels of the gal antigen.
A mucosal block is the most cost-effective method to avert the pain and cramping from cryosurgery in women who have taken a nonsteroidal anti-inflammatory drug before the procedure.