Fig. 3From: Maternal toxoplasmosis and the risk of childhood autism: serological and molecular small-scale studiesLow melting agarose gel (4%) separates Cyt B (84 bp), ND1 (69 bp), PK (84 bp) and ND4 (84 bp). M refers to low molecular weight DNA marker (50–1500 bp), arrow refers to non-specific additional higher band productionBack to article page