. 1952 Aug;51(5):743.
Isolation of antibiotics from a species of Cephalosporium. Cephalosporins P1, P2, P3, P4 and P5
PMCID: PMC1197927
This corrects the article "Isolation of antibiotics from a species of Cephalosporium. Cephalosporins P1, P2, P3, P4 and P5" in volume 50 on page 168.