TY - GEN AU - Raina,Sunil Kumar TI - Confounding in case control studies SN - 0971-5916 PY - 2015///1019 KW - Attention Deficit Disorder with Hyperactivity KW - physiopathology KW - Female KW - Humans KW - Learning Disabilities KW - Male KW - Psychomotor Performance N1 - Publication Type: Letter; Comment UR - https://doi.org/10.4103/0971-5916.162144 ER -