Lactose Intolerance Clearinghouse
Web site about lactose intolerance.

Latex Allergy Support Group
The primary purpose of the Latex Allergy Support Group is to raise awareness of latex allergy amongst the healthcare professionals and those affected by latex allergy

Latin American Society of Allergy, Asthma and Immunology
Official web site of the Argentine Society of Allergy and Immunopathology (SLAAI).

LEAP Study - Evelina Children's Hospital
The LEAP Study is a clinical research study that aims to determine the best strategy to prevent peanut allergy in young children. The website offers information on this particular food allergy and on this important study, to whom allergic children may participate.

Leicester Medical School - Division of Child Health
The section of te Leicester Medical School regarding the Medical Division of Child Health

Living with Reflux Support Group
The website of an online support group for families dealing with Gastroesophageal Reflux Disease, with forums and information for all age groups, infants and adults.

Madrid-Castilla La Mancha Society of Allergology and Clinical Immunology
Scientific association integrated by specialists in allergology and clinical immunology developing activities related to their specialty.

Manufactured Food Database (MFD)
A New Zealand Food Database, with the following information con Food: list of ingredients, list of additives, presence/absence of several clinically significant components, the value for the total amount of protein, fat and carbohydrate, the sodium and po.

Maternal and Child Health Library
A service of the MCH Library of Georgetown University, that provides accurate and timely information on maternal and child health. 

Mayo Clinic Division of Allergic Diseases
The official website of the Division of Allergic Diseases of the Mayo Clinic in Rochester, at the forefront of research in bronchial asthma, especially with regard to the use of anti-inflammatory medications to treat this disease.