00490nam a2200181Ia 450000500170000000800410001704000190005804100120007708200130008910000170010224500720011925000120019126000270020330000140023050400340024465000200027885000100029820240702115205.0131103s9999    xx            000 0 und d  aLoreto College  aEnglish  a613bDAV  aDavies, M.B.  aHygiene and health educationb for training college cM.B. Davies,   a5th.ed.  aLondonbLongmansc1956  aix,438p.   aIncludes bibliography & index  aHelth & hygiene  aLCBED