Polymerase chain reaction 32 Polymerase Chain Reaction 7 Laboratory manuals 5 methods 5 Analysis 3 Diagnostic use 3 Genetic Engineering 3 Molecular cloning 3 Molecular genetics 3 Nucleic Acids 3 analysis 3 Biotechnology 2 Cattle 2 DNA fingerprinting 2 Diagnosis 2 Diagnosis of Animal Diseases, (New March 2000) 2 Diagnostic techniques 2 Disease control 2 Disease prevalence 2 Disease prevention 2 Epidemiology 2 Field Crops, (New March 2000) 2 Gene cloning 2 Gene expression 2 Gene mapping 2 Genetic analysis 2 Genetic markers 2 Genetics 2 Genetics and Molecular Biology of Microorganisms, (New March 2000) 2 Goats 2