array(38) {
  [0]=>
  string(21) "DATE ADDED TO CATALOG"
  [1]=>
  string(8) "PUBMEDID"
  [2]=>
  string(12) "FIRST AUTHOR"
  [3]=>
  string(4) "DATE"
  [4]=>
  string(7) "JOURNAL"
  [5]=>
  string(4) "LINK"
  [6]=>
  string(5) "STUDY"
  [7]=>
  string(13) "DISEASE/TRAIT"
  [8]=>
  string(19) "INITIAL SAMPLE SIZE"
  [9]=>
  string(23) "REPLICATION SAMPLE SIZE"
  [10]=>
  string(6) "REGION"
  [11]=>
  string(6) "CHR_ID"
  [12]=>
  string(7) "CHR_POS"
  [13]=>
  string(16) "REPORTED GENE(S)"
  [14]=>
  string(11) "MAPPED_GENE"
  [15]=>
  string(16) "UPSTREAM_GENE_ID"
  [16]=>
  string(18) "DOWNSTREAM_GENE_ID"
  [17]=>
  string(12) "SNP_GENE_IDS"
  [18]=>
  string(22) "UPSTREAM_GENE_DISTANCE"
  [19]=>
  string(24) "DOWNSTREAM_GENE_DISTANCE"
  [20]=>
  string(25) "STRONGEST SNP-RISK ALLELE"
  [21]=>
  string(4) "SNPS"
  [22]=>
  string(6) "MERGED"
  [23]=>
  string(14) "SNP_ID_CURRENT"
  [24]=>
  string(7) "CONTEXT"
  [25]=>
  string(10) "INTERGENIC"
  [26]=>
  string(21) "RISK ALLELE FREQUENCY"
  [27]=>
  string(7) "P-VALUE"
  [28]=>
  string(11) "PVALUE_MLOG"
  [29]=>
  string(14) "P-VALUE (TEXT)"
  [30]=>
  string(10) "OR or BETA"
  [31]=>
  string(13) "95% CI (TEXT)"
  [32]=>
  string(26) "PLATFORM [SNPS PASSING QC]"
  [33]=>
  string(3) "CNV"
  [34]=>
  string(12) "MAPPED_TRAIT"
  [35]=>
  string(16) "MAPPED_TRAIT_URI"
  [36]=>
  string(15) "STUDY ACCESSION"
  [37]=>
  string(21) "GENOTYPING TECHNOLOGY"
}