A BUTENANDT,H HELLMANN,G HANSER
A BUTENANDT
J BRUGGEMANN,K DREPPER,G DREPPER
J BRUGGEMANN
[Analysis of pterins] [0.03%]
[蝶呤分析]
H M RAUEN,W STAMM
H M RAUEN
R MERTEN,G SCHRAMM,W GRASSMANN et al.
R MERTEN et al.