Selecting id (in this case dupersid) where value from the second column (in this case icd9codx) is in (296, 311) and 250 only.Selecting id (in this case dupersid) where valu
Selecting id (in this case dupersid) where value from the second column (in this case icd9codx) is in (296, 311) and 250 only.Selecting id (in this case dupersid) where valu