this is what it brings;
Select
o_prac.o_prac_eid,
o_prac.o_prac_go_id,
o_pat.o_pat_eid,
o_pat.o_pat_id,
o_pat.o_pat_birth_yr,
o_pat.o_pat_birth_mth,
o_pat.o_pat_curr_gender
FROM
o_prac,
o_pat
WHERE o_prac.o_prac_uid = o_pat.o_prac_uid
AND o_pat.o_pat_eid IN (11546, 37464, 2844646, 74747...