000 00429nam a2200133Ia 4500
008 211018s9999||||xx |||||||||||||| ||und||
082 _a331.046
_bCH-I
100 _aChauhan Ankur
_928905
245 0 _aInvestigation into respiratory sympptoms and lung capacities in construction wor
_cChauhan Ankur
250 _aDr B R
260 _aJalandhar
_bDr B R Ambedkar National institute o
_c2015
300 _aix,58
942 _cTH
999 _c196700
_d196700