1.   Effects from the iodine treatment, she has been told, would last at least a month.

2.   He is scheduled to begin radioactive iodine treatments at Johns Hopkins University in Baltimore soon.

3.   He is scheduled to begin radioactive iodine treatments at John Hopkins University in Baltimore soon.

4.   She still needs radioactive iodine treatment, but that requires going off her thyroid medication, which could make her lethargic.