The best replacement for pcr is elisa.

The best alternatives to pcr are rated as following:
★★★★★  elisa
★★★★  dna replication
★★★★  real time pcr
★★★  cloning
★★★  qpcr
★★★  rflp
★★★  fish
★★★  western blot
★★  pcr
★★  dna sequencing
★★  p01
★★  traditional pcr
★  rt-pcr
★  southern blot
★  southern blotting
★  rt pcr
★  polymerase chain reaction
★  acr
★  q-pcr
★  str
★  p-01
★  gene cloning
★  p24
★  lamp
★  restriction digest
★  replication
  naat
  sequencing
  vsg
  tma
  sanger
  serology
  nat
  rt-qpcr
  microarray
  rflp dna testing
  shotgun cloning
  cz p01
  lcr
  sanger sequencing
  reverse transcriptase pcr
  pls
  quantitative pcr
  eia
  conventional pcr

Your alternative for pcr is not listed? Suggest!
Speaking about pcr, one probably shouldn't forget about long primers.

Other search terms related to pcr and their ratings are:
★★★★★ long primers
★ taq polymerase
★ mgcl2
dna
heat-stable dna polymerase
You have in mind a companion for pcr and it is not yet here? Propose!



Google Trends

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pcr
elisa
dna replication