Table 1. Primers and enzymes used for PCR–RFLP genotyping.

Gene (polymorphism)	ID	Primers	Restriction enzyme	Banding pattern
GSTM1	–	GAACTCCCTGAAAAGCTAAAGC	–	219 bp
		GTTGGGCTCAAATATACGGTGG
GSTT1	–	TTCCTTACTGGTCCTCACATCTC	–	459 bp
		TCACCGGATCATGGCCAGCA
ALB	–	GCCCTCTGCTAACAAGTCCTAC	–	350 bp
		GCCCTAAAAAGAAAATCGCCAATC
CYP2E1 -1293 G.>C	rs3813867	CAGTCGAGTCTACATTGTC	RsaI	GG: 410 bp
		TTCATTCTGTCTTCTAACTG		GC: 410, 290, 120 bp
				CC: 290, 120 bp
CYP2E1-1019 C>T	rs2031920	CCCGTGAGCCAGTCGAGT	PstI	CC: 510 bp
		ATACAGACCCTCTTCCAC		CT: 510, 360, 150 bp
				TT: 150, 360 bp
CYP2E1 intro6 T>A	rs6413432	CTGCTGCTAATGGTCACTTG	HinfI	TT: 688 bp
		GGAGTTCAAGACCAGCCTAC		TA: 688, 350, 338 bp
				AA: 350, 338 bp
GSTP1 EX5 A>G	rs1695	CTTCCACGCACATCCTCTTCC	Alw261	Ile/Ile(AA):289 bp
		AAGCCCCTTTCTTTGTTCAGC		Val/Val (GG): 218, 71 bp
				Ile/Val (AG): 289, 218, 71 bp
mEH EX3–28T>C	rs1051740	GATCGATAAGTTCCGTTTCACC	EcoR V	His/His(TT): 140, 22 bp
		ATCCTTAGTCTTGAAGTGAGGAT		Tyr/Tyr (CC):162 bp
				His/Tyr (CT): 162, 140, 22 bp
mEH EX4+52A>G	rs2234922	ACATCCACTTCATCCACGT	RsaI	His/His (AA):210 bp
		ATGCCTCTGAGAAGCCAT		Arg/Arg(GG):164, 46 bp
				His/Arg (AG): 210, 64, 46 bp