TY - RPRT TI - MMR vaccination and pervasive developmental disorders: a case-control study. AU - Liam Smeeth AU - Claire Cook AU - Eric Fombonne AU - Lisa Heavey AU - Laura C Rodrigues AU - Peter G Smith AU - Andrew J Hall DO - 10.1016/s0140-6736(04)17020-7 UR - https://pubmed.ncbi.nlm.nih.gov/15364187/ ID - 15364187 ER -