Division 1
United Kingdom
Infective freshly harvested allantoic fluid (HA titre must be greater than 24 is diluted 1:10 in sterile isotonic saline (anti-bodies must not be used).
United Kingdom
Infective freshly harvested allantoic fluid (HA titre must be greater than 24 is diluted 1:10 in sterile isotonic saline (anti-bodies must not be used).