Penicillin-screened auxotrophic mutations in Salmonella typhimurium and their relation to x-ray dosage.
PLOUGH
H H
HH
YOUNG
H N
HN
GRIMM
M R
MR
D009154:Mutation; D010406:Penicillins; D012486:Salmonella typhimurium; D014965:X-Rays
D010406:Penicillins