Cold chain: solar refrigerator field tested.
D000569:Americas; D003105:Colombia; D003695:Delivery of Health Care; D019049:Developed Countries; D003906:Developing Countries; D004864:Equipment and Supplies; D006262:Health; D006296:Health Services; D007114:Immunization; D007390:International Agencies; D007843:Latin America; D008511:Medicine; D009938:Organizations; D010175:Pan American Health Organization; D010568:Peru; D011315:Preventive Medicine; D011320:Primary Health Care; D013020:South America; D014480:United Nations; D014611:Vaccination; D014944:World Health Organization
Americas; Colombia; Delivery Of Health Care; Developed Countries; Developing Countries; Equipment And Supplies; Health; Health Services; Immunization; International Agencies; Latin America; Medicine; Organizations; Paho; Peru; Preventive Medicine; Primary Health Care; South America; Un; Vaccination; Who