TY  - GEN
AU  - THOMAS,A J
TI  - Chronic porphyria
SN  - 0007-1447
PY  - 2004///0930
KW  - Humans
KW  - Porphyrias
N1  - Publication Type: Journal Article
UR  - https://doi.org/10.1136/bmj.1.4648.285
ER  -