4 Old medical books from a Retired Doctor's personal collection. The first is Food Allergy Provocative Testing and Injection Therapy dated 1972, The second is If This is Tuesday it Must be Chicken or How to Rotate Your Food for Better Health dated 1979, The third is Food Additives What they are and How They're used dated 1961, and the fourth is Acid -Base and Electrolyte Balance dated 1974.
eBay