<!-- ================================================================= -->
<!-- hsdb DTD

    This is the Current DTD which NLM has written for
     external use.

    Comments and suggestions are welcome.
     2004/04/12

 -->
<!-- ================================================================= -->
<!ENTITY auml  "&#228;">
<!ENTITY ouml  "&#246;">
<!ENTITY uuml  "&#252;">
<!ELEMENT hsdb (DOC)+>
<!ELEMENT DOC ((DOCNO|NameOfSubstance|CASRegistryNumber|DateRevised|
abio|actn|ade|
adi|alab|anml|
antr|arts|asch|
astd|atmc|atol|
auto|avdi|bhl|
bioc|biod|bion|
body|bp|care|
cerc|clab|clup|
cofo|corr|cpat|
ctp|cwa|date|
dcmp|den|disp|
dot|dsc|effl|
envs|equp|etox|
etxv|evap|expl|
expt|fate|fda|
fdwg|fdws|fifr|
firp|fish|flmt|
flpt|food|form|
fpot|hazn|hazs|
hist|htc|htox|
htv|htxv|idio|
idlh|imp|impt|
intc|koc|meds|
metb|mf|mfs|
milk|minf|mmfg|
mp|mw|mxdo|
nats|nfpa|no|
nrec|ntox|ntp|
ntxv|ocpp|odor|
odrt|oevc|ofhz|
ohaz|omin|oopl|
oprm|osha|owpc|
ph|plnt|poly|
popl|prod|radl|
rcra|reac|relt|
rpts|rtex|rvdt|
samp|sdwg|sdws|
seds|seri|ship|
shpn|sol|spec|
ssl|sstd|stcc|
strg|surf|sy|
tast|tcat|test|
ther|tlv|tolr|
toxc|toxs|tsca|
use|vap|vapd|
visc|vws|warn|watc)*)>
<!ELEMENT DOCNO (#PCDATA)>
<!ELEMENT NameOfSubstance (#PCDATA)>
<!ELEMENT CASRegistryNumber (#PCDATA)>
<!ELEMENT DateRevised (#PCDATA)>
<!ELEMENT abio (#PCDATA)>
<!ELEMENT actn (#PCDATA)>
<!ELEMENT ade (#PCDATA)>
<!ELEMENT adi (#PCDATA)>
<!ELEMENT alab (#PCDATA)>
<!ELEMENT anml (#PCDATA)>
<!ELEMENT antr (#PCDATA)>
<!ELEMENT arts (#PCDATA)>
<!ELEMENT asch (#PCDATA)>
<!ELEMENT astd (#PCDATA)>
<!ELEMENT atmc (#PCDATA)>
<!ELEMENT atol (#PCDATA)>
<!ELEMENT auto (#PCDATA)>
<!ELEMENT avdi (#PCDATA)>
<!ELEMENT bhl (#PCDATA)>
<!ELEMENT bioc (#PCDATA)>
<!ELEMENT biod (#PCDATA)>
<!ELEMENT bion (#PCDATA)>
<!ELEMENT body (#PCDATA)>
<!ELEMENT bp (#PCDATA)>
<!ELEMENT care (#PCDATA)>
<!ELEMENT cerc (#PCDATA)>
<!ELEMENT clab (#PCDATA)>
<!ELEMENT clup (#PCDATA)>
<!ELEMENT cofo (#PCDATA)>
<!ELEMENT corr (#PCDATA)>
<!ELEMENT cpat (#PCDATA)>
<!ELEMENT ctp (#PCDATA)>
<!ELEMENT cwa (#PCDATA)>
<!ELEMENT date (#PCDATA)>
<!ELEMENT dcmp (#PCDATA)>
<!ELEMENT den (#PCDATA)>
<!ELEMENT disp (#PCDATA)>
<!ELEMENT dot (#PCDATA)>
<!ELEMENT dsc (#PCDATA)>
<!ELEMENT effl (#PCDATA)>
<!ELEMENT envs (#PCDATA)>
<!ELEMENT equp (#PCDATA)>
<!ELEMENT etox (#PCDATA)>
<!ELEMENT etxv (#PCDATA)>
<!ELEMENT evap (#PCDATA)>
<!ELEMENT expl (#PCDATA)>
<!ELEMENT expt (#PCDATA)>
<!ELEMENT fate (#PCDATA)>
<!ELEMENT fda (#PCDATA)>
<!ELEMENT fdwg (#PCDATA)>
<!ELEMENT fdws (#PCDATA)>
<!ELEMENT fifr (#PCDATA)>
<!ELEMENT firp (#PCDATA)>
<!ELEMENT fish (#PCDATA)>
<!ELEMENT flmt (#PCDATA)>
<!ELEMENT flpt (#PCDATA)>
<!ELEMENT food (#PCDATA)>
<!ELEMENT form (#PCDATA)>
<!ELEMENT fpot (#PCDATA)>
<!ELEMENT hazn (#PCDATA)>
<!ELEMENT hazs (#PCDATA)>
<!ELEMENT hist (#PCDATA)>
<!ELEMENT htc (#PCDATA)>
<!ELEMENT htox (#PCDATA)>
<!ELEMENT htv (#PCDATA)>
<!ELEMENT htxv (#PCDATA)>
<!ELEMENT idio (#PCDATA)>
<!ELEMENT idlh (#PCDATA)>
<!ELEMENT imp (#PCDATA)>
<!ELEMENT impt (#PCDATA)>
<!ELEMENT intc (#PCDATA)>
<!ELEMENT koc (#PCDATA)>
<!ELEMENT meds (#PCDATA)>
<!ELEMENT metb (#PCDATA)>
<!ELEMENT mf (#PCDATA)>
<!ELEMENT mfs (#PCDATA)>
<!ELEMENT milk (#PCDATA)>
<!ELEMENT minf (#PCDATA)>
<!ELEMENT mmfg (#PCDATA)>
<!ELEMENT mp (#PCDATA)>
<!ELEMENT mw (#PCDATA)>
<!ELEMENT mxdo (#PCDATA)>
<!ELEMENT nats (#PCDATA)>
<!ELEMENT nfpa (#PCDATA)>
<!ELEMENT no (#PCDATA)>
<!ELEMENT nrec (#PCDATA)>
<!ELEMENT ntox (#PCDATA)>
<!ELEMENT ntp (#PCDATA)>
<!ELEMENT ntxv (#PCDATA)>
<!ELEMENT ocpp (#PCDATA)>
<!ELEMENT odor (#PCDATA)>
<!ELEMENT odrt (#PCDATA)>
<!ELEMENT oevc (#PCDATA)>
<!ELEMENT ofhz (#PCDATA)>
<!ELEMENT ohaz (#PCDATA)>
<!ELEMENT omin (#PCDATA)>
<!ELEMENT oopl (#PCDATA)>
<!ELEMENT oprm (#PCDATA)>
<!ELEMENT osha (#PCDATA)>
<!ELEMENT owpc (#PCDATA)>
<!ELEMENT ph (#PCDATA)>
<!ELEMENT plnt (#PCDATA)>
<!ELEMENT poly (#PCDATA)>
<!ELEMENT popl (#PCDATA)>
<!ELEMENT prod (#PCDATA)>
<!ELEMENT radl (#PCDATA)>
<!ELEMENT rcra (#PCDATA)>
<!ELEMENT reac (#PCDATA)>
<!ELEMENT relt (#PCDATA)>
<!ELEMENT rpts (#PCDATA)>
<!ELEMENT rtex (#PCDATA)>
<!ELEMENT rvdt (#PCDATA)>
<!ELEMENT samp (#PCDATA)>
<!ELEMENT sdwg (#PCDATA)>
<!ELEMENT sdws (#PCDATA)>
<!ELEMENT seds (#PCDATA)>
<!ELEMENT seri (#PCDATA)>
<!ELEMENT ship (#PCDATA)>
<!ELEMENT shpn (#PCDATA)>
<!ELEMENT sol (#PCDATA)>
<!ELEMENT spec (#PCDATA)>
<!ELEMENT ssl (#PCDATA)>
<!ELEMENT sstd (#PCDATA)>
<!ELEMENT stcc (#PCDATA)>
<!ELEMENT strg (#PCDATA)>
<!ELEMENT surf (#PCDATA)>
<!ELEMENT sy (#PCDATA)>
<!ELEMENT tast (#PCDATA)>
<!ELEMENT tcat (#PCDATA)>
<!ELEMENT test (#PCDATA)>
<!ELEMENT ther (#PCDATA)>
<!ELEMENT tlv (#PCDATA)>
<!ELEMENT tolr (#PCDATA)>
<!ELEMENT toxc (#PCDATA)>
<!ELEMENT toxs (#PCDATA)>
<!ELEMENT tsca (#PCDATA)>
<!ELEMENT use (#PCDATA)>
<!ELEMENT vap (#PCDATA)>
<!ELEMENT vapd (#PCDATA)>
<!ELEMENT visc (#PCDATA)>
<!ELEMENT vws (#PCDATA)>
<!ELEMENT warn (#PCDATA)>
<!ELEMENT watc (#PCDATA)>