1. The permeability of human chorion laeve in vitro to 125I-labelled glucagon was investigated. The problem caused by degradation of 125I-labelled glucagon in the preparation and a means to prevent this are described.
2. The human chorion laeve was found to be impermeable to iodinated glucagon.
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© 1974 The Biochemical Society and the Medical Research Society
1974
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