000 00394nam a2200109Ia 4500
008 160509s9999 xx 000 0 und d
100 _aVijayan, V K
245 _aReference values amd prediction equations for maximal expiratory flow rates in non-smoking normal subjects in Madras: In
260 _c1993
300 _a291-297p.
650 _aReference values amd prediction equations for maximal ex
999 _c10143
_d10143