The 3M Medical Information Models are in ASN.1 (Abstract Syntax Notation One) format, and are provided in a single ZIP file. The ASN.1 formatted information models are included in the asn.1 directory. These information models are also provided in HTML format in the html directory for convenience.

ASN.1 is a joint standard of the International Organization for Standardization (ISO), International Electrotechnical Commission (IEC), and International Telecommunication Union Telecommunication Standardization Sector (ITU-T). Descriptions and tutorials of the ASN.1 standard are available at the following websites:
ASN.1 Introduction
ASN.1 — Communication Between Heterogeneous Systems by Olivier Dubuisson
ASN.1 Complete by John Larmouth

The following publication describes the use of medical information models encoded in ASN.1 to describe clinical information and to link the information models to a vocabulary:

Huff SM, Rocha RA, Solbrig HR, Barnes MW, Schrank SP, Smith M.Linking a medical vocabulary to a clinical data model using Abstract Syntax Notation 1. Methods Inf Med.
1998 Nov;37(4-5):440-52.

Copyright 2012 3M Health Information Systems, Inc.

Licensed under the Apache License, Version 2.0 (the “License”);
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an “AS IS” BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License. 1

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