libname clinic 'your-SAS-data-library';
     proc print data=clinic.admit noobs;
        var age height weight fee;
        where age>30;
     run;

Age	Height	Weight	Fee
34	66	152	124.80
31	61	123	149.75
43	63	137	149.75
51	71	158	124.80
32	67	151	149.75
35	70	173	149.75
34	73	154	124.80
49	64	172	124.80
44	66	140	149.75
40	69	163	124.80
47	72	173	124.80
60	71	191	149.75
43	65	123	124.80
41	67	141	149.75
54	71	183	149.75